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13047792 = 243271829
BaseRepresentation
bin110001110001…
…011111110000
3220112220012120
4301301133300
511320012132
61143354240
7215622132
oct61613760
926486176
1013047792
117401aaa
124452980
13291abb4
141a39052
15122b02c
hexc717f0

13047792 has 20 divisors (see below), whose sum is σ = 33706920. Its totient is φ = 4349248.

The previous prime is 13047787. The next prime is 13047809. The reversal of 13047792 is 29774031.

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 3 ways as a sum of consecutive naturals, for example, 135867 + ... + 135962.

It is an arithmetic number, because the mean of its divisors is an integer number (1685346).

Almost surely, 213047792 is an apocalyptic number.

13047792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13047792 is an abundant number, since it is smaller than the sum of its proper divisors (20659128).

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

13047792 is a wasteful number, since it uses less digits than its factorization.

13047792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271840 (or 271834 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 13047792 is about 3612.1727533439. The cubic root of 13047792 is about 235.4212573865.

The spelling of 13047792 in words is "thirteen million, forty-seven thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 271829 543658 815487 1087316 1630974 2174632 3261948 4349264 6523896 13047792