The number 348588115 = 5 × 23 × 3031201 has some interesting properties. It is a sphenic number (i.e. it is the product of 3 distinct prime numbers). Reversing the decimal digits also results in a sphenic number: 511885843 = 7 × 953 × 76733. In addition, the decimal digits also are a concatenation of the decimal digits of 2 other sphenic numbers:
'348588115' = '34858' + '8115' and 34858 = 2 × 29 × 601, 8115 = 3 × 5 × 541.
Thursday, April 14, 2016
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