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13093980 = 2235218233
BaseRepresentation
bin110001111100…
…110001011100
3220122020120020
4301330301130
511323001410
61144352140
7216203604
oct61746134
926566506
1013093980
117433779
124475650
132935c23
141a4bc04
151239a70
hexc7cc5c

13093980 has 24 divisors (see below), whose sum is σ = 36663312. Its totient is φ = 3491712.

The previous prime is 13093931. The next prime is 13094009. The reversal of 13093980 is 8939031.

It is a congruent number.

It is an unprimeable number.

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, 109057 + ... + 109176.

It is an arithmetic number, because the mean of its divisors is an integer number (1527638).

Almost surely, 213093980 is an apocalyptic number.

13093980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13093980 is an abundant number, since it is smaller than the sum of its proper divisors (23569332).

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

13093980 is a wasteful number, since it uses less digits than its factorization.

13093980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218245 (or 218243 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 13093980 is about 3618.5604872656. The cubic root of 13093980 is about 235.6987202105.

The spelling of 13093980 in words is "thirteen million, ninety-three thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 218233 436466 654699 872932 1091165 1309398 2182330 2618796 3273495 4364660 6546990 13093980