Base | Representation |
---|---|
bin | 110001011000… |
… | …001100001110 |
3 | 220100122000200 |
4 | 301120030032 |
5 | 11303203032 |
6 | 1141234330 |
7 | 215011011 |
oct | 61301416 |
9 | 26318020 |
10 | 12944142 |
11 | 7341142 |
12 | 44029a6 |
13 | 28b2973 |
14 | 1a0d378 |
15 | 120a47c |
hex | c5830e |
12944142 has 12 divisors (see below), whose sum is σ = 28045680. Its totient is φ = 4314708.
The previous prime is 12944119. The next prime is 12944153. The reversal of 12944142 is 24144921.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359542 + ... + 359577.
It is an arithmetic number, because the mean of its divisors is an integer number (2337140).
Almost surely, 212944142 is an apocalyptic number.
12944142 is an abundant number, since it is smaller than the sum of its proper divisors (15101538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12944142 is a wasteful number, since it uses less digits than its factorization.
12944142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 719127 (or 719124 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
The square root of 12944142 is about 3597.7968258366. The cubic root of 12944142 is about 234.7962138564.
The spelling of 12944142 in words is "twelve million, nine hundred forty-four thousand, one hundred forty-two".
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