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18088268 = 22112271811
BaseRepresentation
bin100010100000…
…0000101001100
31021000222102212
41011000011030
514112311033
61443405552
7306514322
oct105000514
937028385
1018088268
11a234a90
1260838b8
133994223
14258bd12
1518c4748
hex114014c

18088268 has 24 divisors (see below), whose sum is σ = 34703424. Its totient is φ = 8181200.

The previous prime is 18088267. The next prime is 18088277. The reversal of 18088268 is 86288081.

It is not an unprimeable number, because it can be changed into a prime (18088267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9083 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (1445976).

Almost surely, 218088268 is an apocalyptic number.

It is an amenable number.

18088268 is a deficient number, since it is larger than the sum of its proper divisors (16615156).

18088268 is a wasteful number, since it uses less digits than its factorization.

18088268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2051 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 18088268 is about 4253.0304489858. The cubic root of 18088268 is about 262.5018255353.

The spelling of 18088268 in words is "eighteen million, eighty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 4 11 22 44 227 454 908 1811 2497 3622 4994 7244 9988 19921 39842 79684 411097 822194 1644388 4522067 9044134 18088268