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2023 IOQM/Problem 19: Revision history

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27 October 2023

  • curprev 00:0200:02, 27 October 2023 Combi-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..."
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