sum of squares of digits of number n
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I have to found a limit of $B/n$ , where $B$ is a sum of squares of digits of number $n$ . I was thinking about using Cesaro-Stolz theorem, but I'm stuck with the $B$ .
analysis elementary-number-theory limits-without-lhopital
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edited Jan 10 at 20:03
David G. Stork
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asked Jan 10 at 19:44
MilO MilO
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