sumtimes product dividing n

M.V Subbarao m.v.subbarao at
Wed Dec 12 20:31:47 CET 2001

I wonder if there are infinitely many integers n such that the sum of its
digits times product of its digits is a divisor of n. On  example is n =
12. No doubt, we  can easily find many more.

m.v.subbarao at

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