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13811932 = 2211872909
BaseRepresentation
bin110100101100…
…000011011100
3221222201102001
4310230003130
512013440212
61212012044
7225254011
oct64540334
927881361
1013811932
117884122
124761024
132b27954
141b97708
15132c657
hexd2c0dc

13811932 has 12 divisors (see below), whose sum is σ = 24199560. Its totient is φ = 6897776.

The previous prime is 13811923. The next prime is 13811953. The reversal of 13811932 is 23911831.

It is a self number, because there is not a number n which added to its sum of digits gives 13811932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3294 + ... + 6202.

It is an arithmetic number, because the mean of its divisors is an integer number (2016630).

Almost surely, 213811932 is an apocalyptic number.

It is an amenable number.

13811932 is a deficient number, since it is larger than the sum of its proper divisors (10387628).

13811932 is a wasteful number, since it uses less digits than its factorization.

13811932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100 (or 4098 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 13811932 is about 3716.4407704146. The cubic root of 13811932 is about 239.9301417049.

The spelling of 13811932 in words is "thirteen million, eight hundred eleven thousand, nine hundred thirty-two".

Divisors: 1 2 4 1187 2374 2909 4748 5818 11636 3452983 6905966 13811932