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12533892 = 2237149213
BaseRepresentation
bin101111110100…
…000010000100
3212120210021020
4233310002010
511202041032
61124351140
7211351650
oct57640204
925523236
1012533892
117090998
1242454b0
13279b007
141943a60
151178b2c
hexbf4084

12533892 has 24 divisors (see below), whose sum is σ = 33423936. Its totient is φ = 3581088.

The previous prime is 12533869. The next prime is 12533893. The reversal of 12533892 is 29833521.

It is not an unprimeable number, because it can be changed into a prime (12533893) 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, 74523 + ... + 74690.

It is an arithmetic number, because the mean of its divisors is an integer number (1392664).

Almost surely, 212533892 is an apocalyptic number.

12533892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12533892 is an abundant number, since it is smaller than the sum of its proper divisors (20890044).

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

12533892 is a wasteful number, since it uses less digits than its factorization.

12533892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149227 (or 149225 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 12533892 is about 3540.3237140126. The cubic root of 12533892 is about 232.2890027011.

The spelling of 12533892 in words is "twelve million, five hundred thirty-three thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 149213 298426 447639 596852 895278 1044491 1790556 2088982 3133473 4177964 6266946 12533892