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13232980 = 225719319
BaseRepresentation
bin110010011110…
…101101010100
3220220022020101
4302132231110
511341423410
61151343444
7220323055
oct62365524
926808211
1013232980
117519152
124521b84
132984287
141a8672c
151265d3a
hexc9eb54

13232980 has 24 divisors (see below), whose sum is σ = 28183680. Its totient is φ = 5218080.

The previous prime is 13232899. The next prime is 13232983. The reversal of 13232980 is 8923231.

It is a super-2 number, since 2×132329802 = 350223519360800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232983) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 3240 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (1174320).

Almost surely, 213232980 is an apocalyptic number.

13232980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13232980 is an abundant number, since it is smaller than the sum of its proper divisors (14950700).

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

13232980 is a wasteful number, since it uses less digits than its factorization.

13232980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399 (or 9397 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13232980 is about 3637.7163165920. The cubic root of 13232980 is about 236.5298113309.

The spelling of 13232980 in words is "thirteen million, two hundred thirty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 9319 18638 37276 46595 93190 186380 661649 1323298 2646596 3308245 6616490 13232980