Revision history of "2023 IOQM/Problem 19"

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  • (cur | prev) 00:02, 27 October 2023Combi-hater (talk | contribs). . (273 bytes) (+273). . (Created page with "For n ∈ N , let P(n) denote the product of the digits in n and S(n) denote the sum of the digits in n . Consider the set A = {n ∈ N : P(n) is non-zero, square free and S(n...")