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13093904 = 243126399
BaseRepresentation
bin110001111100…
…110000010000
3220122020110102
4301330300100
511323001104
61144351532
7216203435
oct61746020
926566412
1013093904
11743370a
1244755a8
132935b95
141a4bb8c
151239a1e
hexc7cc10

13093904 has 20 divisors (see below), whose sum is σ = 26188800. Its totient is φ = 6335520.

The previous prime is 13093879. The next prime is 13093919. The reversal of 13093904 is 40939031.

13093904 is an admirable number.

It is a super-2 number, since 2×130939042 = 342900643922432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12704 + ... + 13695.

It is an arithmetic number, because the mean of its divisors is an integer number (1309440).

Almost surely, 213093904 is an apocalyptic number.

It is an amenable number.

13093904 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13093904 is a wasteful number, since it uses less digits than its factorization.

13093904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26438 (or 26432 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13093904 is about 3618.5499858369. The cubic root of 13093904 is about 235.6982641959.

The spelling of 13093904 in words is "thirteen million, ninety-three thousand, nine hundred four".

Divisors: 1 2 4 8 16 31 62 124 248 496 26399 52798 105596 211192 422384 818369 1636738 3273476 6546952 13093904