Base | Representation |
---|---|
bin | 1101101101001… |
… | …0110000101011 |
3 | 11000011121111011 |
4 | 3123102300223 |
5 | 104204031004 |
6 | 5412044351 |
7 | 1265424526 |
oct | 333226053 |
9 | 130147434 |
10 | 57486379 |
11 | 2a4a4405 |
12 | 173036b7 |
13 | bba9b12 |
14 | 78c5bbd |
15 | 50a8004 |
hex | 36d2c2b |
57486379 has 4 divisors (see below), whose sum is σ = 57619576. Its totient is φ = 57353184.
The previous prime is 57486353. The next prime is 57486383. The reversal of 57486379 is 97368475.
It is a happy number.
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 57486379 - 25 = 57486347 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57486389) 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, 65949 + ... + 66814.
It is an arithmetic number, because the mean of its divisors is an integer number (14404894).
Almost surely, 257486379 is an apocalyptic number.
57486379 is a deficient number, since it is larger than the sum of its proper divisors (133197).
57486379 is a wasteful number, since it uses less digits than its factorization.
57486379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133196.
The product of its digits is 1270080, while the sum is 49.
The square root of 57486379 is about 7581.9772487129. The cubic root of 57486379 is about 385.9416518067.
The spelling of 57486379 in words is "fifty-seven million, four hundred eighty-six thousand, three hundred seventy-nine".
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