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5 (another Prime Pages' Curiosity) |
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 (1) + (2) + (3) + (4) + (5) = phi(1 + 2 + 3 + 4 +
5). It is the only number with this property. [Firoozbakht]
Submitted: 2010-05-07 15:44:08; Last Modified: 2010-05-07 19:14:07.
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