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139968 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) 139968 = phi((1*3*9*9*6*8)*(1+3+9+9+6+8)) = (1*3*9*9*6*8) * phi(1+3+9+9+6+8) = (1+3+9+9+6+8) * phi(1*3*9*9*6*8). [Firoozbakht]
Submitted: 2009-09-20 18:45:21; Last Modified: 2009-09-20 18:46:01.
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