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18885102 = 237694093
BaseRepresentation
bin100100000001…
…0100111101110
31022112110111020
41020002213232
514313310402
61512435010
7316343415
oct110024756
938473436
1018885102
11a729725
1263a8a66
133bb2b22
14271847c
1519d08bc
hex12029ee

18885102 has 16 divisors (see below), whose sum is σ = 37828560. Its totient is φ = 6285312.

The previous prime is 18885067. The next prime is 18885103. The reversal of 18885102 is 20158881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18885103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2568 + ... + 6660.

It is an arithmetic number, because the mean of its divisors is an integer number (2364285).

Almost surely, 218885102 is an apocalyptic number.

18885102 is an abundant number, since it is smaller than the sum of its proper divisors (18943458).

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

18885102 is a wasteful number, since it uses less digits than its factorization.

18885102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867.

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 18885102 is about 4345.6992532848. The cubic root of 18885102 is about 266.3011927396.

The spelling of 18885102 in words is "eighteen million, eight hundred eighty-five thousand, one hundred two".

Divisors: 1 2 3 6 769 1538 2307 4093 4614 8186 12279 24558 3147517 6295034 9442551 18885102