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13808852 = 2218119073
BaseRepresentation
bin110100101011…
…010011010100
3221222120011222
4310223103110
512013340402
61211545512
7225242021
oct64532324
927876158
1013808852
117881882
12475b298
132b26425
141b96548
15132b7a2
hexd2b4d4

13808852 has 12 divisors (see below), whose sum is σ = 24300276. Its totient is φ = 6865920.

The previous prime is 13808831. The next prime is 13808869. The reversal of 13808852 is 25880831.

13808852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 13645636 = 404^2 + 3694^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8813 + ... + 10260.

It is an arithmetic number, because the mean of its divisors is an integer number (2025023).

Almost surely, 213808852 is an apocalyptic number.

It is an amenable number.

13808852 is a deficient number, since it is larger than the sum of its proper divisors (10491424).

13808852 is a wasteful number, since it uses less digits than its factorization.

13808852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19258 (or 19256 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 13808852 is about 3716.0263723499. The cubic root of 13808852 is about 239.9123059242.

The spelling of 13808852 in words is "thirteen million, eight hundred eight thousand, eight hundred fifty-two".

Divisors: 1 2 4 181 362 724 19073 38146 76292 3452213 6904426 13808852