Base | Representation |
---|---|
bin | 110001011000… |
… | …010000001010 |
3 | 220100122101000 |
4 | 301120100022 |
5 | 11303210034 |
6 | 1141235430 |
7 | 215011521 |
oct | 61302012 |
9 | 26318330 |
10 | 12944394 |
11 | 7341351 |
12 | 4402b76 |
13 | 28b2b08 |
14 | 1a0d4b8 |
15 | 120a599 |
hex | c5840a |
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".
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