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102162904 = 2312770363
BaseRepresentation
bin1100001011011…
…10000111011000
321010020102011021
412011232013120
5202123203104
614045412224
72350241014
oct605560730
9233212137
10102162904
1152739558
122a26a074
131822012c
14d7d5544
158e80754
hex616e1d8

102162904 has 8 divisors (see below), whose sum is σ = 191555460. Its totient is φ = 51081448.

The previous prime is 102162899. The next prime is 102162923. The reversal of 102162904 is 409261201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6385174 + ... + 6385189.

Almost surely, 2102162904 is an apocalyptic number.

It is an amenable number.

102162904 is a deficient number, since it is larger than the sum of its proper divisors (89392556).

102162904 is a wasteful number, since it uses less digits than its factorization.

102162904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12770369 (or 12770365 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 102162904 is about 10107.5666705691. The cubic root of 102162904 is about 467.4814794344.

The spelling of 102162904 in words is "one hundred two million, one hundred sixty-two thousand, nine hundred four".

Divisors: 1 2 4 8 12770363 25540726 51081452 102162904