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13088738 = 213503413
BaseRepresentation
bin110001111011…
…011111100010
3220121222101002
4301323133202
511322314423
61144312002
7216152405
oct61733742
926558332
1013088738
11742a843
124472602
132933720
141a49d3c
151238228
hexc7b7e2

13088738 has 8 divisors (see below), whose sum is σ = 21143388. Its totient is φ = 6040944.

The previous prime is 13088731. The next prime is 13088767. The reversal of 13088738 is 83788031.

It can be written as a sum of positive squares in 2 ways, for example, as 13053769 + 34969 = 3613^2 + 187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13088731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251681 + ... + 251732.

Almost surely, 213088738 is an apocalyptic number.

13088738 is a deficient number, since it is larger than the sum of its proper divisors (8054650).

13088738 is a wasteful number, since it uses less digits than its factorization.

13088738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503428.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 13088738 is about 3617.8360935786. The cubic root of 13088738 is about 235.6672630675.

The spelling of 13088738 in words is "thirteen million, eighty-eight thousand, seven hundred thirty-eight".

Divisors: 1 2 13 26 503413 1006826 6544369 13088738