Project Euler #56: Powerful digit sum

Hacker
Rank
Score
4141
flag of India
25.00
4142
flag of Philippines
25.00
4143
flag of India
25.00
4144
flag of India
25.00
4145
flag of India
25.00
4146
flag of Ireland
25.00
4149
flag of India
25.00

[deleted]

4150
flag of null
25.00

[deleted]

4151
flag of null
25.00
4152
flag of India
25.00
4153
flag of India
25.00
4154
flag of India
25.00
4155
flag of India
25.00
4156
flag of India
25.00
4157
flag of India
25.00
4158
flag of United States
25.00
4160
flag of India
25.00
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