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13088312 = 231636039
BaseRepresentation
bin110001111011…
…011000111000
3220121221210022
4301323120320
511322311222
61144310012
7216151226
oct61733070
926557708
1013088312
11742a496
124472308
132933483
141a49b16
151238042
hexc7b638

13088312 has 8 divisors (see below), whose sum is σ = 24540600. Its totient is φ = 6544152.

The previous prime is 13088281. The next prime is 13088323. The reversal of 13088312 is 21388031.

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

It is a super-2 number, since 2×130883122 = 342607822018688, which contains 22 as substring.

It is a congruent 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 as a sum of consecutive naturals, namely, 818012 + ... + 818027.

It is an arithmetic number, because the mean of its divisors is an integer number (3067575).

Almost surely, 213088312 is an apocalyptic number.

It is an amenable number.

13088312 is a deficient number, since it is larger than the sum of its proper divisors (11452288).

13088312 is a wasteful number, since it uses less digits than its factorization.

13088312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636045 (or 1636041 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 13088312 is about 3617.7772181272. Note that the first 3 decimals coincide. The cubic root of 13088312 is about 235.6647062805.

The spelling of 13088312 in words is "thirteen million, eighty-eight thousand, three hundred twelve".

Divisors: 1 2 4 8 1636039 3272078 6544156 13088312