Search a number
-
+
13185560 = 235329639
BaseRepresentation
bin110010010011…
…001000011000
3220210220012002
4302103020120
511333414220
61150340132
7220034603
oct62231030
926726162
1013185560
117496563
1244ba648
13296880b
141a7333a
151256c75
hexc93218

13185560 has 16 divisors (see below), whose sum is σ = 29667600. Its totient is φ = 5274208.

The previous prime is 13185553. The next prime is 13185581. The reversal of 13185560 is 6558131.

It is a congruent number.

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, 164780 + ... + 164859.

It is an arithmetic number, because the mean of its divisors is an integer number (1854225).

Almost surely, 213185560 is an apocalyptic number.

13185560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13185560 is an abundant number, since it is smaller than the sum of its proper divisors (16482040).

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

13185560 is a wasteful number, since it uses less digits than its factorization.

13185560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329650 (or 329646 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 13185560 is about 3631.1926415435. The cubic root of 13185560 is about 236.2469406022.

The spelling of 13185560 in words is "thirteen million, one hundred eighty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 329639 659278 1318556 1648195 2637112 3296390 6592780 13185560