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13056844 = 2229112559
BaseRepresentation
bin110001110011…
…101101001100
3220120100121211
4301303231030
511320304334
61143504204
7215660413
oct61635514
926510554
1013056844
117408889
124458064
132922058
141a3c47a
15122da64
hexc73b4c

13056844 has 12 divisors (see below), whose sum is σ = 23637600. Its totient is φ = 6303248.

The previous prime is 13056839. The next prime is 13056863. The reversal of 13056844 is 44865031.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56164 + ... + 56395.

It is an arithmetic number, because the mean of its divisors is an integer number (1969800).

Almost surely, 213056844 is an apocalyptic number.

It is an amenable number.

13056844 is a deficient number, since it is larger than the sum of its proper divisors (10580756).

13056844 is a wasteful number, since it uses less digits than its factorization.

13056844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112592 (or 112590 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 13056844 is about 3613.4255215792. The cubic root of 13056844 is about 235.4756865345.

The spelling of 13056844 in words is "thirteen million, fifty-six thousand, eight hundred forty-four".

Divisors: 1 2 4 29 58 116 112559 225118 450236 3264211 6528422 13056844