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13390792 = 231673849
BaseRepresentation
bin110011000101…
…001111001000
3221012022201021
4303011033020
511412001132
61155002224
7221551132
oct63051710
927168637
1013390792
117616778
124599374
132a0b05c
141ac8052
151297997
hexcc53c8

13390792 has 8 divisors (see below), whose sum is σ = 25107750. Its totient is φ = 6695392.

The previous prime is 13390787. The next prime is 13390799. The reversal of 13390792 is 29709331.

It can be written as a sum of positive squares in only one way, i.e., 10588516 + 2802276 = 3254^2 + 1674^2 .

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 (13390799) by changing a digit.

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 as a sum of consecutive naturals, namely, 836917 + ... + 836932.

Almost surely, 213390792 is an apocalyptic number.

It is an amenable number.

13390792 is a deficient number, since it is larger than the sum of its proper divisors (11716958).

13390792 is a wasteful number, since it uses less digits than its factorization.

13390792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673855 (or 1673851 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 13390792 is about 3659.3431104503. The cubic root of 13390792 is about 237.4663560838.

The spelling of 13390792 in words is "thirteen million, three hundred ninety thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 1673849 3347698 6695396 13390792