Base | Representation |
---|---|
bin | 1101100110000… |
… | …1011001010000 |
3 | 10222022000112010 |
4 | 3121201121100 |
5 | 104044201112 |
6 | 5354102520 |
7 | 1261451664 |
oct | 331413120 |
9 | 128260463 |
10 | 57022032 |
11 | 2a207551 |
12 | 1711aa40 |
13 | ba76662 |
14 | 78048a4 |
15 | 501563c |
hex | 3661650 |
57022032 has 80 divisors (see below), whose sum is σ = 153309632. Its totient is φ = 18247680.
The previous prime is 57022019. The next prime is 57022039. The reversal of 57022032 is 23022075.
It is a nialpdrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57022039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172107 + ... + 172437.
Almost surely, 257022032 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 57022032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76654816).
57022032 is an abundant number, since it is smaller than the sum of its proper divisors (96287600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57022032 is a wasteful number, since it uses less digits than its factorization.
57022032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476 (or 470 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 21.
The square root of 57022032 is about 7551.2933991469. The cubic root of 57022032 is about 384.8996916392.
The spelling of 57022032 in words is "fifty-seven million, twenty-two thousand, thirty-two".
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