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13085192 = 231635649
BaseRepresentation
bin110001111010…
…101000001000
3220121210111202
4301322220020
511322211232
61144243332
7216136151
oct61725010
926553452
1013085192
11742810a
124470548
132931c23
141a48928
151237162
hexc7aa08

13085192 has 8 divisors (see below), whose sum is σ = 24534750. Its totient is φ = 6542592.

The previous prime is 13085179. The next prime is 13085209. The reversal of 13085192 is 29158031.

It can be written as a sum of positive squares in only one way, i.e., 12630916 + 454276 = 3554^2 + 674^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817817 + ... + 817832.

Almost surely, 213085192 is an apocalyptic number.

It is an amenable number.

13085192 is a deficient number, since it is larger than the sum of its proper divisors (11449558).

13085192 is a wasteful number, since it uses less digits than its factorization.

13085192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635655 (or 1635651 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 13085192 is about 3617.3459884285. The cubic root of 13085192 is about 235.6459788257.

The spelling of 13085192 in words is "thirteen million, eighty-five thousand, one hundred ninety-two".

Divisors: 1 2 4 8 1635649 3271298 6542596 13085192