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First solution in Clear category for Numbers Factory by igor.v.dudenko
def checkio(number):
result = []
for x in range(9, 1, -1):
while number % x == 0 and number > 1:
result.append(str(x))
number = number // x
return 0 if number > 1 else int(''.join(sorted(result)))
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio(20) == 45, "1st example"
assert checkio(21) == 37, "2nd example"
assert checkio(17) == 0, "3rd example"
assert checkio(33) == 0, "4th example"
assert checkio(3125) == 55555, "5th example"
assert checkio(9973) == 0, "6th example"
Feb. 25, 2019
