Base | Representation |
---|---|
bin | 1101101011110… |
… | …0100110101100 |
3 | 11000000000000000 |
4 | 3122330212230 |
5 | 104143130003 |
6 | 5410104300 |
7 | 1264566123 |
oct | 332744654 |
9 | 130000000 |
10 | 57395628 |
11 | 2a442204 |
12 | 1727b090 |
13 | bb77714 |
14 | 78a0aba |
15 | 508b1a3 |
hex | 36bc9ac |
57395628 has 48 divisors (see below), whose sum is σ = 150663520. Its totient is φ = 19131876.
The previous prime is 57395627. The next prime is 57395629. The reversal of 57395628 is 82659375.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
57395628 is a `hidden beast` number, since 57 + 39 + 562 + 8 = 666.
It is an interprime number because it is at equal distance from previous prime (57395627) and next prime (57395629).
It is a super-2 number, since 2×573956282 = 6588516227028768, which contains 22 as substring.
Its product of digits (453600) is a multiple of the sum of its prime divisors (5).
It is a nialpdrome in base 3.
It is a zygodrome in base 3.
It is not an unprimeable number, because it can be changed into a prime (57395623) 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, 19131875 + 19131876 + 19131877.
Almost surely, 257395628 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 57395628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75331760).
57395628 is an abundant number, since it is smaller than the sum of its proper divisors (93267892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57395628 is an frugal number, since it uses more digits than its factorization.
57395628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49 (or 5 counting only the distinct ones).
The product of its digits is 453600, while the sum is 45.
The square root of 57395628 is about 7575.9902323063. The cubic root of 57395628 is about 385.7384556283.
The spelling of 57395628 in words is "fifty-seven million, three hundred ninety-five thousand, six hundred twenty-eight".
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