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18087114 = 238933871
BaseRepresentation
bin100010011111…
…1110011001010
31021000220212010
41010333303022
514112241424
61443400350
7306511053
oct104776312
937026763
1018087114
11a234131
1260830b6
133993846
14258b72a
1518c4229
hex113fcca

18087114 has 16 divisors (see below), whose sum is σ = 36581760. Its totient is φ = 5961120.

The previous prime is 18087103. The next prime is 18087169. The reversal of 18087114 is 41178081.

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, 16402 + ... + 17469.

It is an arithmetic number, because the mean of its divisors is an integer number (2286360).

Almost surely, 218087114 is an apocalyptic number.

18087114 is an abundant number, since it is smaller than the sum of its proper divisors (18494646).

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

18087114 is a wasteful number, since it uses less digits than its factorization.

18087114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33965.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 18087114 is about 4252.8947788536. The cubic root of 18087114 is about 262.4962430301.

The spelling of 18087114 in words is "eighteen million, eighty-seven thousand, one hundred fourteen".

Divisors: 1 2 3 6 89 178 267 534 33871 67742 101613 203226 3014519 6029038 9043557 18087114