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18065696 = 2511173019
BaseRepresentation
bin100010011101…
…0100100100000
31020222211110212
41010322210200
514111100241
61443113252
7306361445
oct104724440
936884425
1018065696
11a21a030
126072828
133986b7c
1425839cc
1518bcbeb
hex113a920

18065696 has 48 divisors (see below), whose sum is σ = 41096160. Its totient is φ = 7726080.

The previous prime is 18065693. The next prime is 18065711. The reversal of 18065696 is 69656081.

It is not an unprimeable number, because it can be changed into a prime (18065693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4475 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (856170).

Almost surely, 218065696 is an apocalyptic number.

18065696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18065696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20548080).

18065696 is an abundant number, since it is smaller than the sum of its proper divisors (23030464).

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

18065696 is a wasteful number, since it uses less digits than its factorization.

18065696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 18065696 is about 4250.3759833690. The cubic root of 18065696 is about 262.3925897669.

The spelling of 18065696 in words is "eighteen million, sixty-five thousand, six hundred ninety-six".

Divisors: 1 2 4 8 11 16 17 22 32 34 44 68 88 136 176 187 272 352 374 544 748 1496 2992 3019 5984 6038 12076 24152 33209 48304 51323 66418 96608 102646 132836 205292 265672 410584 531344 564553 821168 1062688 1129106 1642336 2258212 4516424 9032848 18065696