Base | Representation |
---|---|
bin | 1101101101010… |
… | …0011010110010 |
3 | 11000011221210200 |
4 | 3123110122302 |
5 | 104204240140 |
6 | 5412140030 |
7 | 1265453400 |
oct | 333243262 |
9 | 130157720 |
10 | 57493170 |
11 | 2a4a9519 |
12 | 17307616 |
13 | bbacc37 |
14 | 78c8470 |
15 | 50aa030 |
hex | 36d46b2 |
57493170 has 72 divisors (see below), whose sum is σ = 173900844. Its totient is φ = 13140288.
The previous prime is 57493159. The next prime is 57493207. The reversal of 57493170 is 7139475.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 57471561 + 21609 = 7581^2 + 147^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2109 + ... + 10928.
Almost surely, 257493170 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57493170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86950422).
57493170 is an abundant number, since it is smaller than the sum of its proper divisors (116407674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57493170 is a wasteful number, since it uses less digits than its factorization.
57493170 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13064 (or 13054 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 36.
The square root of 57493170 is about 7582.4250738138. The cubic root of 57493170 is about 385.9568486041.
The spelling of 57493170 in words is "fifty-seven million, four hundred ninety-three thousand, one hundred seventy".
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