Base | Representation |
---|---|
bin | 1101101001111… |
… | …0000001110000 |
3 | 10222202122012100 |
4 | 3122132001300 |
5 | 104130123014 |
6 | 5403300400 |
7 | 1263535023 |
oct | 332360160 |
9 | 128678170 |
10 | 57270384 |
11 | 2a3670a6 |
12 | 1721a700 |
13 | bb32702 |
14 | 786b1ba |
15 | 5064009 |
hex | 369e070 |
57270384 has 60 divisors (see below), whose sum is σ = 161503056. Its totient is φ = 18944256.
The previous prime is 57270371. The next prime is 57270403. The reversal of 57270384 is 48307275.
57270384 is a `hidden beast` number, since 5 + 7 + 270 + 384 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18277 + ... + 21179.
Almost surely, 257270384 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 57270384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80751528).
57270384 is an abundant number, since it is smaller than the sum of its proper divisors (104232672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57270384 is a wasteful number, since it uses less digits than its factorization.
57270384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3054 (or 3045 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 57270384 is about 7567.7198679655. The cubic root of 57270384 is about 385.4576757624.
The spelling of 57270384 in words is "fifty-seven million, two hundred seventy thousand, three hundred eighty-four".
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