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102517144 = 23108711789
BaseRepresentation
bin1100001110001…
…00100110011000
321010220102002021
412013010212120
5202221022034
614101144224
72353244542
oct607044630
9233812067
10102517144
1152960714
122a3bb074
1318315442
14d888692
1590006b4
hex61c4998

102517144 has 16 divisors (see below), whose sum is σ = 192412800. Its totient is φ = 51207072.

The previous prime is 102517139. The next prime is 102517153. The reversal of 102517144 is 441715201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2802 + ... + 14590.

It is an arithmetic number, because the mean of its divisors is an integer number (12025800).

Almost surely, 2102517144 is an apocalyptic number.

It is an amenable number.

102517144 is a deficient number, since it is larger than the sum of its proper divisors (89895656).

102517144 is a wasteful number, since it uses less digits than its factorization.

102517144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12882 (or 12878 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 102517144 is about 10125.0750120678. The cubic root of 102517144 is about 468.0211717600.

The spelling of 102517144 in words is "one hundred two million, five hundred seventeen thousand, one hundred forty-four".

Divisors: 1 2 4 8 1087 2174 4348 8696 11789 23578 47156 94312 12814643 25629286 51258572 102517144