Base | Representation |
---|---|
bin | 1101101110011… |
… | …0000011000011 |
3 | 11000022121212002 |
4 | 3123212003003 |
5 | 104214043004 |
6 | 5413454215 |
7 | 1266204044 |
oct | 333460303 |
9 | 130277762 |
10 | 57565379 |
11 | 2a5487a3 |
12 | 1734136b |
13 | bc06a71 |
14 | 79068cb |
15 | 50c161e |
hex | 36e60c3 |
57565379 has 4 divisors (see below), whose sum is σ = 57770520. Its totient is φ = 57360240.
The previous prime is 57565373. The next prime is 57565381. The reversal of 57565379 is 97356575.
57565379 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 57565379 - 216 = 57499843 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57565373) 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, 102149 + ... + 102710.
It is an arithmetic number, because the mean of its divisors is an integer number (14442630).
Almost surely, 257565379 is an apocalyptic number.
57565379 is a deficient number, since it is larger than the sum of its proper divisors (205141).
57565379 is a wasteful number, since it uses less digits than its factorization.
57565379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205140.
The product of its digits is 992250, while the sum is 47.
The square root of 57565379 is about 7587.1851829252. The cubic root of 57565379 is about 386.1183628532.
The spelling of 57565379 in words is "fifty-seven million, five hundred sixty-five thousand, three hundred seventy-nine".
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