Base | Representation |
---|---|
bin | 1101101100111… |
… | …0110001001111 |
3 | 11000010210001200 |
4 | 3123032301033 |
5 | 104203020111 |
6 | 5411440543 |
7 | 1265326053 |
oct | 333166117 |
9 | 130123050 |
10 | 57470031 |
11 | 2a4930a3 |
12 | 172b6153 |
13 | bba2548 |
14 | 78bdc63 |
15 | 50a3256 |
hex | 36cec4f |
57470031 has 18 divisors (see below), whose sum is σ = 86785608. Its totient is φ = 36644520.
The previous prime is 57470009. The next prime is 57470033. The reversal of 57470031 is 13007475.
It is not a de Polignac number, because 57470031 - 27 = 57469903 is a prime.
It is a super-2 number, since 2×574700312 = 6605608926281922, which contains 22 as substring.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 57469977 and 57470004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57470033) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1275 + ... + 10796.
Almost surely, 257470031 is an apocalyptic number.
57470031 is a deficient number, since it is larger than the sum of its proper divisors (29315577).
57470031 is a wasteful number, since it uses less digits than its factorization.
57470031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12123 (or 12097 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 57470031 is about 7580.8990891582. The cubic root of 57470031 is about 385.9050635898.
The spelling of 57470031 in words is "fifty-seven million, four hundred seventy thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •