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13032992 = 25783701
BaseRepresentation
bin110001101101…
…111000100000
3220112010220102
4301231320200
511314023432
61143201532
7215531030
oct61557040
926463812
1013032992
1173a1975
1244462a8
13291423b
141a338c0
151226962
hexc6de20

13032992 has 48 divisors (see below), whose sum is σ = 29719872. Its totient is φ = 5510400.

The previous prime is 13032979. The next prime is 13033001. The reversal of 13032992 is 29923031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18242 + ... + 18942.

It is an arithmetic number, because the mean of its divisors is an integer number (619164).

Almost surely, 213032992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13032992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14859936).

13032992 is an abundant number, since it is smaller than the sum of its proper divisors (16686880).

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

13032992 is an equidigital number, since it uses as much as digits as its factorization.

13032992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13032992 is about 3610.1235435924. The cubic root of 13032992 is about 235.3322115970.

The spelling of 13032992 in words is "thirteen million, thirty-two thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 83 112 166 224 332 581 664 701 1162 1328 1402 2324 2656 2804 4648 4907 5608 9296 9814 11216 18592 19628 22432 39256 58183 78512 116366 157024 232732 407281 465464 814562 930928 1629124 1861856 3258248 6516496 13032992