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102163154 = 2257198761
BaseRepresentation
bin1100001011011…
…10001011010010
321010020102111112
412011232023102
5202123210104
614045413322
72350241522
oct605561322
9233212445
10102163154
1152739765
122a26a242
1318220292
14d7d5682
158e8086e
hex616e2d2

102163154 has 8 divisors (see below), whose sum is σ = 153841788. Its totient is φ = 50882560.

The previous prime is 102163147. The next prime is 102163163. The reversal of 102163154 is 451361201.

It can be written as a sum of positive squares in 2 ways, for example, as 100902025 + 1261129 = 10045^2 + 1123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98867 + ... + 99894.

Almost surely, 2102163154 is an apocalyptic number.

102163154 is a deficient number, since it is larger than the sum of its proper divisors (51678634).

102163154 is a wasteful number, since it uses less digits than its factorization.

102163154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199020.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 102163154 is about 10107.5790375342. The cubic root of 102163154 is about 467.4818607544.

The spelling of 102163154 in words is "one hundred two million, one hundred sixty-three thousand, one hundred fifty-four".

Divisors: 1 2 257 514 198761 397522 51081577 102163154