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102285864 = 23323145827
BaseRepresentation
bin1100001100011…
…00001000101000
321010110122211100
412012030020220
5202141121424
614052201400
72351262342
oct606141050
9233418740
10102285864
115281297a
122a309260
13182640a5
14d828292
158ea6dc9
hex618c228

102285864 has 48 divisors (see below), whose sum is σ = 285966720. Its totient is φ = 32994720.

The previous prime is 102285847. The next prime is 102285893. The reversal of 102285864 is 468582201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20682 + ... + 25145.

It is an arithmetic number, because the mean of its divisors is an integer number (5957640).

Almost surely, 2102285864 is an apocalyptic number.

It is an amenable number.

102285864 is an abundant number, since it is smaller than the sum of its proper divisors (183680856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102285864 is a wasteful number, since it uses less digits than its factorization.

102285864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45870 (or 45863 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 102285864 is about 10113.6474132728. The cubic root of 102285864 is about 467.6689528222.

The spelling of 102285864 in words is "one hundred two million, two hundred eighty-five thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 45827 91654 137481 183308 274962 366616 412443 549924 824886 1099848 1420637 1649772 2841274 3299544 4261911 5682548 8523822 11365096 12785733 17047644 25571466 34095288 51142932 102285864