Base | Representation |
---|---|
bin | 1101110011000… |
… | …0001010110011 |
3 | 11000220001022112 |
4 | 3130300022303 |
5 | 104303301404 |
6 | 5424155535 |
7 | 1301610140 |
oct | 334601263 |
9 | 130801275 |
10 | 57868979 |
11 | 2a735903 |
12 | 17468bab |
13 | bcb1ccc |
14 | 79853c7 |
15 | 513156e |
hex | 37302b3 |
57868979 has 4 divisors (see below), whose sum is σ = 66135984. Its totient is φ = 49601976.
The previous prime is 57868973. The next prime is 57868991. The reversal of 57868979 is 97986875.
57868979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 57868979 - 24 = 57868963 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57868973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4133492 + ... + 4133505.
It is an arithmetic number, because the mean of its divisors is an integer number (16533996).
Almost surely, 257868979 is an apocalyptic number.
57868979 is a deficient number, since it is larger than the sum of its proper divisors (8267005).
57868979 is an equidigital number, since it uses as much as digits as its factorization.
57868979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8267004.
The product of its digits is 7620480, while the sum is 59.
The square root of 57868979 is about 7607.1662923851. The cubic root of 57868979 is about 386.7959695217.
The spelling of 57868979 in words is "fifty-seven million, eight hundred sixty-eight thousand, nine hundred seventy-nine".
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