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Larger Square (Posted on 2019-03-25)

Given that 438271606²=192082000625819236
Find the sum of digits of 561728395²

No Solution Yet Submitted by Danish Ahmed Khan

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computer solution

| Comment 1 of 2

I don't see the relation to the first square mentioned, but the sum of the digits of the second square is 91, from

10 N=561728395

20 N2=N*N

30 S$=cutspc(str(N2))

40 for I=1 to len(S$)

50 Tot=Tot+val(mid(S$,I,1))

60 next

70 print Tot

The square itself is 315538789749276025.

Posted by Charlie on 2019-03-25 12:46:21

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