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13645932 = 2231137161
BaseRepresentation
bin110100000011…
…100001101100
3221200021200220
4310003201230
511443132212
61204251340
7223663026
oct64034154
927607626
1013645932
117780433
1246a0b50
132a9a221
141b53016
1512e838c
hexd0386c

13645932 has 12 divisors (see below), whose sum is σ = 31840536. Its totient is φ = 4548640.

The previous prime is 13645909. The next prime is 13645937. The reversal of 13645932 is 23954631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×136459322 = 372422920297248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13645893 and 13645902.

It is not an unprimeable number, because it can be changed into a prime (13645937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568569 + ... + 568592.

It is an arithmetic number, because the mean of its divisors is an integer number (2653378).

Almost surely, 213645932 is an apocalyptic number.

13645932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13645932 is an abundant number, since it is smaller than the sum of its proper divisors (18194604).

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

13645932 is a wasteful number, since it uses less digits than its factorization.

13645932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137168 (or 1137166 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 13645932 is about 3694.0400647530. The cubic root of 13645932 is about 238.9650573612.

The spelling of 13645932 in words is "thirteen million, six hundred forty-five thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 1137161 2274322 3411483 4548644 6822966 13645932