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13190928 = 243274811
BaseRepresentation
bin110010010100…
…011100010000
3220211011112220
4302110130100
511334102203
61150421040
7220056342
oct62243420
926734486
1013190928
11749a5a3
124501780
13296b0aa
141a75292
151258653
hexc94710

13190928 has 20 divisors (see below), whose sum is σ = 34076688. Its totient is φ = 4396960.

The previous prime is 13190927. The next prime is 13190939. The reversal of 13190928 is 82909131.

It is not an unprimeable number, because it can be changed into a prime (13190927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137358 + ... + 137453.

Almost surely, 213190928 is an apocalyptic number.

It is an amenable number.

13190928 is an abundant number, since it is smaller than the sum of its proper divisors (20885760).

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

13190928 is a wasteful number, since it uses less digits than its factorization.

13190928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274822 (or 274816 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 13190928 is about 3631.9317174198. The cubic root of 13190928 is about 236.2789959092.

The spelling of 13190928 in words is "thirteen million, one hundred ninety thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 274811 549622 824433 1099244 1648866 2198488 3297732 4396976 6595464 13190928