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12303894 = 238923041
BaseRepresentation
bin101110111011…
…111000010110
3212011002202210
4232323320112
511122211034
61115414250
7206403261
oct56737026
925132683
1012303894
116a44109
124154386
13271a415
1418c3cd8
1511308e9
hexbbbe16

12303894 has 16 divisors (see below), whose sum is σ = 24885360. Its totient is φ = 4055040.

The previous prime is 12303881. The next prime is 12303911. The reversal of 12303894 is 49830321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 10987 + ... + 12054.

It is an arithmetic number, because the mean of its divisors is an integer number (1555335).

Almost surely, 212303894 is an apocalyptic number.

12303894 is an abundant number, since it is smaller than the sum of its proper divisors (12581466).

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

12303894 is a wasteful number, since it uses less digits than its factorization.

12303894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23135.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12303894 is about 3507.6906933195. The cubic root of 12303894 is about 230.8593810687.

The spelling of 12303894 in words is "twelve million, three hundred three thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 89 178 267 534 23041 46082 69123 138246 2050649 4101298 6151947 12303894