Base | Representation |
---|---|
bin | 1101110100111… |
… | …0110110001110 |
3 | 11001010102200120 |
4 | 3131032312032 |
5 | 104321312023 |
6 | 5431005410 |
7 | 1302642402 |
oct | 335166616 |
9 | 131112616 |
10 | 57994638 |
11 | 2a811259 |
12 | 17509866 |
13 | c027270 |
14 | 79b9102 |
15 | 51588e3 |
hex | 374ed8e |
57994638 has 32 divisors (see below), whose sum is σ = 130346496. Its totient is φ = 17068128.
The previous prime is 57994627. The next prime is 57994639. The reversal of 57994638 is 83649975.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57994639) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14370 + ... + 17957.
It is an arithmetic number, because the mean of its divisors is an integer number (4073328).
Almost surely, 257994638 is an apocalyptic number.
57994638 is an abundant number, since it is smaller than the sum of its proper divisors (72351858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57994638 is a wasteful number, since it uses less digits than its factorization.
57994638 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32368.
The product of its digits is 1632960, while the sum is 51.
The square root of 57994638 is about 7615.4210651808. The cubic root of 57994638 is about 387.0757351661.
The spelling of 57994638 in words is "fifty-seven million, nine hundred ninety-four thousand, six hundred thirty-eight".
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