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13137954 = 233536203
BaseRepresentation
bin110010000111…
…100000100010
3220201110212220
4302013200202
511330403304
61145331510
7216446034
oct62074042
926643786
1013137954
117463815
124496b96
13294cc4b
141a5dc54
151247ad9
hexc87822

13137954 has 16 divisors (see below), whose sum is σ = 26354592. Its totient is φ = 4366208.

The previous prime is 13137947. The next prime is 13137961. The reversal of 13137954 is 45973131.

It is an interprime number because it is at equal distance from previous prime (13137947) and next prime (13137961).

It is a super-2 number, since 2×131379542 = 345211670612232, which contains 22 as substring.

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, 984 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (1647162).

Almost surely, 213137954 is an apocalyptic number.

13137954 is an abundant number, since it is smaller than the sum of its proper divisors (13216638).

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

13137954 is a wasteful number, since it uses less digits than its factorization.

13137954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561.

The product of its digits is 11340, while the sum is 33.

The square root of 13137954 is about 3624.6315674838. The cubic root of 13137954 is about 235.9622773184.

The spelling of 13137954 in words is "thirteen million, one hundred thirty-seven thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 353 706 1059 2118 6203 12406 18609 37218 2189659 4379318 6568977 13137954