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22868136 = 2333105871
BaseRepresentation
bin101011100111…
…1000010101000
31121000211012000
41113033002220
521323240021
62134051000
7365242644
oct127170250
947024160
1022868136
11119aa195
1277a9a60
134978a55
143073c24
15201ab26
hex15cf0a8

22868136 has 32 divisors (see below), whose sum is σ = 63523200. Its totient is φ = 7622640.

The previous prime is 22868101. The next prime is 22868159. The reversal of 22868136 is 63186822.

It is a super-2 number, since 2×228681362 = 1045903288228992, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22868136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52720 + ... + 53151.

It is an arithmetic number, because the mean of its divisors is an integer number (1985100).

Almost surely, 222868136 is an apocalyptic number.

It is an amenable number.

22868136 is an abundant number, since it is smaller than the sum of its proper divisors (40655064).

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

22868136 is a wasteful number, since it uses less digits than its factorization.

22868136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105886 (or 105876 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22868136 is about 4782.0639895342. The cubic root of 22868136 is about 283.8421724402.

The spelling of 22868136 in words is "twenty-two million, eight hundred sixty-eight thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 105871 211742 317613 423484 635226 846968 952839 1270452 1905678 2540904 2858517 3811356 5717034 7622712 11434068 22868136