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12944394 = 233239711
BaseRepresentation
bin110001011000…
…010000001010
3220100122101000
4301120100022
511303210034
61141235430
7215011521
oct61302012
926318330
1012944394
117341351
124402b76
1328b2b08
141a0d4b8
15120a599
hexc5840a

12944394 has 16 divisors (see below), whose sum is σ = 28765440. Its totient is φ = 4314780.

The previous prime is 12944389. The next prime is 12944443. The reversal of 12944394 is 49344921.

12944394 is a `hidden beast` number, since 129 + 443 + 94 = 666.

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, 119802 + ... + 119909.

It is an arithmetic number, because the mean of its divisors is an integer number (1797840).

Almost surely, 212944394 is an apocalyptic number.

12944394 is an abundant number, since it is smaller than the sum of its proper divisors (15821046).

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

12944394 is a wasteful number, since it uses less digits than its factorization.

12944394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239722 (or 239716 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 12944394 is about 3597.8318470990. The cubic root of 12944394 is about 234.7977375383.

The spelling of 12944394 in words is "twelve million, nine hundred forty-four thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 239711 479422 719133 1438266 2157399 4314798 6472197 12944394