Project Euler #56: Powerful digit sum

Hacker
Rank
Score
4399
flag of India
00.00
4399
flag of India
00.00
4399
flag of India
00.00
4399
flag of India
00.00
4399
flag of India
00.00
4399
flag of India
00.00
4399
flag of India
00.00
4399
flag of Singapore
00.00
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