Base | Representation |
---|---|
bin | 1101101011110… |
… | …1000001110001 |
3 | 11000000002101012 |
4 | 3122331001301 |
5 | 104143203421 |
6 | 5410120305 |
7 | 1264604150 |
oct | 332750161 |
9 | 130002335 |
10 | 57397361 |
11 | 2a44353a |
12 | 17280095 |
13 | bb78448 |
14 | 78a1597 |
15 | 508b95b |
hex | 36bd071 |
57397361 has 4 divisors (see below), whose sum is σ = 65596992. Its totient is φ = 49197732.
The previous prime is 57397349. The next prime is 57397363. The reversal of 57397361 is 16379375.
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 57397361 - 214 = 57380977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57397363) 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, 4099805 + ... + 4099818.
It is an arithmetic number, because the mean of its divisors is an integer number (16399248).
Almost surely, 257397361 is an apocalyptic number.
It is an amenable number.
57397361 is a deficient number, since it is larger than the sum of its proper divisors (8199631).
57397361 is an equidigital number, since it uses as much as digits as its factorization.
57397361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8199630.
The product of its digits is 119070, while the sum is 41.
The square root of 57397361 is about 7576.1046059304. The cubic root of 57397361 is about 385.7423379101.
The spelling of 57397361 in words is "fifty-seven million, three hundred ninety-seven thousand, three hundred sixty-one".
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