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13806952 = 231725869
BaseRepresentation
bin110100101010…
…110101101000
3221222110120121
4310222311220
512013310302
61211533024
7225233335
oct64526550
927873517
1013806952
117880405
12475a174
132b255c3
141b9598c
15132ae37
hexd2ad68

13806952 has 8 divisors (see below), whose sum is σ = 25888050. Its totient is φ = 6903472.

The previous prime is 13806943. The next prime is 13806953. The reversal of 13806952 is 25960831.

13806952 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 only one way, i.e., 10588516 + 3218436 = 3254^2 + 1794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13806953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862927 + ... + 862942.

Almost surely, 213806952 is an apocalyptic number.

It is an amenable number.

13806952 is a deficient number, since it is larger than the sum of its proper divisors (12081098).

13806952 is a wasteful number, since it uses less digits than its factorization.

13806952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725875 (or 1725871 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13806952 is about 3715.7707141319. The cubic root of 13806952 is about 239.9013020094.

The spelling of 13806952 in words is "thirteen million, eight hundred six thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 1725869 3451738 6903476 13806952