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13232580 = 2235220543
BaseRepresentation
bin110010011110…
…100111000100
3220220021200120
4302132213010
511341420310
61151341540
7220321644
oct62364704
926807616
1013232580
117518919
1245218b0
13298403a
141a86524
151265b70
hexc9e9c4

13232580 has 24 divisors (see below), whose sum is σ = 37051392. Its totient is φ = 3528672.

The previous prime is 13232573. The next prime is 13232581. The reversal of 13232580 is 8523231.

13232580 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 self number, because there is not a number n which added to its sum of digits gives 13232580.

It is not an unprimeable number, because it can be changed into a prime (13232581) 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, 110212 + ... + 110331.

It is an arithmetic number, because the mean of its divisors is an integer number (1543808).

Almost surely, 213232580 is an apocalyptic number.

13232580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13232580 is an abundant number, since it is smaller than the sum of its proper divisors (23818812).

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

13232580 is a wasteful number, since it uses less digits than its factorization.

13232580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220555 (or 220553 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13232580 is about 3637.6613366282. The cubic root of 13232580 is about 236.5274280713.

The spelling of 13232580 in words is "thirteen million, two hundred thirty-two thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 220543 441086 661629 882172 1102715 1323258 2205430 2646516 3308145 4410860 6616290 13232580