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13309368 = 2331732621
BaseRepresentation
bin110010110001…
…010110111000
3221001012000120
4302301112320
511401344433
61153133240
7221061552
oct62612670
927035016
1013309368
117570586
12455a220
1329acc87
141aa64d2
15127d7b3
hexcb15b8

13309368 has 32 divisors (see below), whose sum is σ = 35231760. Its totient is φ = 4175360.

The previous prime is 13309363. The next prime is 13309369. The reversal of 13309368 is 86390331.

13309368 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13309363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15903 + ... + 16718.

Almost surely, 213309368 is an apocalyptic number.

It is an amenable number.

13309368 is an abundant number, since it is smaller than the sum of its proper divisors (21922392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13309368 is a wasteful number, since it uses less digits than its factorization.

13309368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32647 (or 32643 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 13309368 is about 3648.2006523765. The cubic root of 13309368 is about 236.9840648724.

Adding to 13309368 its reverse (86390331), we get a palindrome (99699699).

The spelling of 13309368 in words is "thirteen million, three hundred nine thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 32621 65242 97863 130484 195726 260968 391452 554557 782904 1109114 1663671 2218228 3327342 4436456 6654684 13309368