Wednesday, April 20, 2016

Number of the day: 506117

Properties of the number 506117:

506117 = 61 × 8297 is semiprime and squarefree.
506117 has 2 distinct prime factors, 4 divisors, 11 antidivisors and 497760 totatives.
506117 has an oblong digit sum 20 in base 10.
Reversing the decimal digits of 506117 results in a sphenic number.
506117 = 2530592 - 2530582 = 41792 - 41182 is the difference of 2 nonnegative squares in 2 ways.
506117 is the difference of 2 positive pentagonal numbers in 2 ways.
506117 = 4792 + 5262 = 4312 + 5662 is the sum of 2 positive squares in 2 ways.
506117 = 92 + 442 + 7102 is the sum of 3 positive squares.
5061172 = 472352 + 5039082 = 444082 + 5041652 = 1345952 + 4878922 = 912672 + 4978202 is the sum of 2 positive squares in 4 ways.
5061172 is the sum of 3 positive squares.
506117 is a divisor of 479170 - 1.
506117 is an emirpimes in (at least) the following bases: 3, 4, 8, 11, 14, 19, 24, 25, 26, 31, 32, 34, 37, 38, 40, 41, 43, 44, 46, 52, 53, 56, 59, 61, 65, 66, 67, 68, 72, 77, 79, 80, 82, 83, 85, 88, 91, and 94.
506117 is palindromic in (at least) base 89.

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