Base | Representation |
---|---|
bin | 1101101110011… |
… | …0111000000000 |
3 | 11000022210111121 |
4 | 3123212320000 |
5 | 104214200033 |
6 | 5413522024 |
7 | 1266216655 |
oct | 333467000 |
9 | 130283447 |
10 | 57568768 |
11 | 2a5502a4 |
12 | 17343314 |
13 | bc0847a |
14 | 7907c2c |
15 | 50c262d |
hex | 36e6e00 |
57568768 has 40 divisors (see below), whose sum is σ = 115762680. Its totient is φ = 28600320.
The previous prime is 57568739. The next prime is 57568769. The reversal of 57568768 is 86786575.
It is a super-3 number, since 3×575687683 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57568769) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117003 + ... + 117493.
It is an arithmetic number, because the mean of its divisors is an integer number (2894067).
Almost surely, 257568768 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 57568768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57881340).
57568768 is an abundant number, since it is smaller than the sum of its proper divisors (58193912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57568768 is an equidigital number, since it uses as much as digits as its factorization.
57568768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 738 (or 722 counting only the distinct ones).
The product of its digits is 2822400, while the sum is 52.
The square root of 57568768 is about 7587.4085167467. The cubic root of 57568768 is about 386.1259399159.
The spelling of 57568768 in words is "fifty-seven million, five hundred sixty-eight thousand, seven hundred sixty-eight".
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