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12939304 = 2371912161
BaseRepresentation
bin110001010111…
…000000101000
3220100101101111
4301113000220
511303024204
61141200104
7214660630
oct61270050
926311344
1012939304
117338544
124400034
1328b06c1
141a0b6c0
151208d04
hexc57028

12939304 has 32 divisors (see below), whose sum is σ = 29188800. Its totient is φ = 5253120.

The previous prime is 12939287. The next prime is 12939343. The reversal of 12939304 is 40393921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5017 + ... + 7144.

It is an arithmetic number, because the mean of its divisors is an integer number (912150).

Almost surely, 212939304 is an apocalyptic number.

12939304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12939304 is an abundant number, since it is smaller than the sum of its proper divisors (16249496).

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

12939304 is a wasteful number, since it uses less digits than its factorization.

12939304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12193 (or 12189 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 12939304 is about 3597.1244070785. The cubic root of 12939304 is about 234.7669577488.

The spelling of 12939304 in words is "twelve million, nine hundred thirty-nine thousand, three hundred four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 12161 24322 48644 85127 97288 170254 231059 340508 462118 681016 924236 1617413 1848472 3234826 6469652 12939304