Base | Representation |
---|---|
bin | 1101100110110… |
… | …1001000110000 |
3 | 10222101110111110 |
4 | 3121231020300 |
5 | 104102221003 |
6 | 5355113320 |
7 | 1262042133 |
oct | 331551060 |
9 | 128343443 |
10 | 57070128 |
11 | 2a23a6a5 |
12 | 17142840 |
13 | ba9250b |
14 | 781821a |
15 | 5024a03 |
hex | 366d230 |
57070128 has 40 divisors (see below), whose sum is σ = 148389808. Its totient is φ = 18899712.
The previous prime is 57070109. The next prime is 57070133. The reversal of 57070128 is 82107075.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 57070095 and 57070104.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750 + ... + 11322.
Almost surely, 257070128 is an apocalyptic number.
It is an amenable number.
57070128 is an abundant number, since it is smaller than the sum of its proper divisors (91319680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57070128 is a wasteful number, since it uses less digits than its factorization.
57070128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7741 (or 7735 counting only the distinct ones).
The product of its (nonzero) digits is 3920, while the sum is 30.
The square root of 57070128 is about 7554.4773479044. The cubic root of 57070128 is about 385.0078775023.
The spelling of 57070128 in words is "fifty-seven million, seventy thousand, one hundred twenty-eight".
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