41 lines
855 B
Python
41 lines
855 B
Python
#!/usr/bin/env python3
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"""
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Created on 02 Apr 2021
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@author: David Doblas Jiménez
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@email: daviddoji@pm.me
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Solution for problem 34 of Project Euler
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https://projecteuler.net/problem=34
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"""
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import math
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from utils import timeit
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@timeit("Problem 34")
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def compute():
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"""
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145 is a curious number, as 1! + 4! + 5! = 1 + 24 + 120 = 145.
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Find the sum of all numbers which are equal to the sum of the factorial
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of their digits.
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Note: As 1! = 1 and 2! = 2 are not sums they are not included.
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"""
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ans = 0
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for num in range(10,2540160):
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sum_of_factorial = 0
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for digit in str(num):
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sum_of_factorial += math.factorial(int(digit))
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if sum_of_factorial == num:
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ans += sum_of_factorial
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return ans
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if __name__ == "__main__":
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print(f"Result for Problem 34: {compute()}") |