Base | Representation |
---|---|
bin | 1101101010100… |
… | …1011101000101 |
3 | 10222212000101212 |
4 | 3122221131011 |
5 | 104133122224 |
6 | 5404301205 |
7 | 1264121336 |
oct | 332513505 |
9 | 128760355 |
10 | 57317189 |
11 | 2a399286 |
12 | 17241805 |
13 | bb4aac7 |
14 | 788028d |
15 | 5072d0e |
hex | 36a9745 |
57317189 has 4 divisors (see below), whose sum is σ = 57412224. Its totient is φ = 57222156.
The previous prime is 57317179. The next prime is 57317231. The reversal of 57317189 is 98171375.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 57317189 - 28 = 57316933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57317179) 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, 46607 + ... + 47820.
It is an arithmetic number, because the mean of its divisors is an integer number (14353056).
Almost surely, 257317189 is an apocalyptic number.
It is an amenable number.
57317189 is a deficient number, since it is larger than the sum of its proper divisors (95035).
57317189 is an equidigital number, since it uses as much as digits as its factorization.
57317189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95034.
The product of its digits is 52920, while the sum is 41.
The square root of 57317189 is about 7570.8116473731. The cubic root of 57317189 is about 385.5626540114.
The spelling of 57317189 in words is "fifty-seven million, three hundred seventeen thousand, one hundred eighty-nine".
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