Base | Representation |
---|---|
bin | 1101101001100… |
… | …0010011000000 |
3 | 10222201110000000 |
4 | 3122120103000 |
5 | 104123400122 |
6 | 5403000000 |
7 | 1263406422 |
oct | 332302300 |
9 | 128643000 |
10 | 57246912 |
11 | 2a3504a8 |
12 | 17209000 |
13 | bb24b18 |
14 | 7862812 |
15 | 505c0ac |
hex | 36984c0 |
57246912 has 112 divisors (see below), whose sum is σ = 170789600. Its totient is φ = 19035648.
The previous prime is 57246887. The next prime is 57246913. The reversal of 57246912 is 21964275.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (57246913) 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, 139764 + ... + 140172.
Almost surely, 257246912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57246912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85394800).
57246912 is an abundant number, since it is smaller than the sum of its proper divisors (113542688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57246912 is an frugal number, since it uses more digits than its factorization.
57246912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442 (or 414 counting only the distinct ones).
The product of its digits is 30240, while the sum is 36.
The square root of 57246912 is about 7566.1689116752. The cubic root of 57246912 is about 385.4050092226.
The spelling of 57246912 in words is "fifty-seven million, two hundred forty-six thousand, nine hundred twelve".
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