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18832868 = 2229316069
BaseRepresentation
bin100011111010…
…1110111100100
31022102210211122
41013311313210
514310122433
61511353112
7316035215
oct107656744
938383748
1018832868
11a6a345a
126382798
133b95112
14270340c
1519c0198
hex11f5de4

18832868 has 12 divisors (see below), whose sum is σ = 33072060. Its totient is φ = 9383712.

The previous prime is 18832867. The next prime is 18832909. The reversal of 18832868 is 86823881.

It can be written as a sum of positive squares in 2 ways, for example, as 12166144 + 6666724 = 3488^2 + 2582^2 .

It is not an unprimeable number, because it can be changed into a prime (18832867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6863 + ... + 9206.

It is an arithmetic number, because the mean of its divisors is an integer number (2756005).

Almost surely, 218832868 is an apocalyptic number.

It is an amenable number.

18832868 is a deficient number, since it is larger than the sum of its proper divisors (14239192).

18832868 is a wasteful number, since it uses less digits than its factorization.

18832868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16366 (or 16364 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 18832868 is about 4339.6852420423. The cubic root of 18832868 is about 266.0554466359.

The spelling of 18832868 in words is "eighteen million, eight hundred thirty-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 293 586 1172 16069 32138 64276 4708217 9416434 18832868