Base | Representation |
---|---|
bin | 1101110000100… |
… | …1000100110001 |
3 | 11000120220122210 |
4 | 3130021010301 |
5 | 104233140344 |
6 | 5420522333 |
7 | 1300342242 |
oct | 334110461 |
9 | 130526583 |
10 | 57708849 |
11 | 2a636570 |
12 | 173b03a9 |
13 | bc57163 |
14 | 7942cc9 |
15 | 50eddb9 |
hex | 3709131 |
57708849 has 16 divisors (see below), whose sum is σ = 84225024. Its totient is φ = 34856400.
The previous prime is 57708841. The next prime is 57708877. The reversal of 57708849 is 94880775.
It is not a de Polignac number, because 57708849 - 23 = 57708841 is a prime.
It is a super-2 number, since 2×577088492 = 6660622505809602, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 57708798 and 57708807.
It is not an unprimeable number, because it can be changed into a prime (57708841) 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, 7452 + ... + 13074.
It is an arithmetic number, because the mean of its divisors is an integer number (5264064).
Almost surely, 257708849 is an apocalyptic number.
It is an amenable number.
57708849 is a deficient number, since it is larger than the sum of its proper divisors (26516175).
57708849 is a wasteful number, since it uses less digits than its factorization.
57708849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5948.
The product of its (nonzero) digits is 564480, while the sum is 48.
The square root of 57708849 is about 7596.6340572651. The cubic root of 57708849 is about 386.4388705651.
The spelling of 57708849 in words is "fifty-seven million, seven hundred eight thousand, eight hundred forty-nine".
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