Search a number
-
+
13159520 = 255117477
BaseRepresentation
bin110010001100…
…110001100000
3220202120110122
4302030301200
511332101040
61150015412
7216565643
oct62146140
926676418
1013159520
117478a40
1244a7568
1329599ca
141a67a5a
15124e1b5
hexc8cc60

13159520 has 48 divisors (see below), whose sum is σ = 33920208. Its totient is φ = 4784640.

The previous prime is 13159507. The next prime is 13159561. The reversal of 13159520 is 2595131.

It is a self number, because there is not a number n which added to its sum of digits gives 13159520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979 + ... + 5498.

It is an arithmetic number, because the mean of its divisors is an integer number (706671).

Almost surely, 213159520 is an apocalyptic number.

13159520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13159520 is an abundant number, since it is smaller than the sum of its proper divisors (20760688).

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

13159520 is a wasteful number, since it uses less digits than its factorization.

13159520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503 (or 7495 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 13159520 is about 3627.6052706986. The cubic root of 13159520 is about 236.0913177205.

The spelling of 13159520 in words is "thirteen million, one hundred fifty-nine thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 7477 14954 29908 37385 59816 74770 82247 119632 149540 164494 239264 299080 328988 411235 598160 657976 822470 1196320 1315952 1644940 2631904 3289880 6579760 13159520