Base | Representation |
---|---|
bin | 1101110011000… |
… | …1000110111001 |
3 | 11000220020120222 |
4 | 3130301012321 |
5 | 104303412300 |
6 | 5424225425 |
7 | 1301624303 |
oct | 334610671 |
9 | 130806528 |
10 | 57872825 |
11 | 2a73878a |
12 | 1746b275 |
13 | bcb399a |
14 | 7986973 |
15 | 5132785 |
hex | 37311b9 |
57872825 has 12 divisors (see below), whose sum is σ = 72182508. Its totient is φ = 46027200.
The previous prime is 57872821. The next prime is 57872833. The reversal of 57872825 is 52827875.
It can be written as a sum of positive squares in 6 ways, for example, as 779689 + 57093136 = 883^2 + 7556^2 .
It is not a de Polignac number, because 57872825 - 22 = 57872821 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57872821) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2366 + ... + 11015.
It is an arithmetic number, because the mean of its divisors is an integer number (6015209).
Almost surely, 257872825 is an apocalyptic number.
It is an amenable number.
57872825 is a deficient number, since it is larger than the sum of its proper divisors (14309683).
57872825 is a wasteful number, since it uses less digits than its factorization.
57872825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13564 (or 13559 counting only the distinct ones).
The product of its digits is 313600, while the sum is 44.
The square root of 57872825 is about 7607.4190761388. The cubic root of 57872825 is about 386.8045382135.
The spelling of 57872825 in words is "fifty-seven million, eight hundred seventy-two thousand, eight hundred twenty-five".
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