Base | Representation |
---|---|
bin | 1011111100010001011001 |
3 | 12220001011212 |
4 | 23330101121 |
5 | 1300133312 |
6 | 151032505 |
7 | 35415461 |
oct | 13742131 |
9 | 5801155 |
10 | 3130457 |
11 | 1848a60 |
12 | 106b735 |
13 | 857b55 |
14 | 5b6ba1 |
15 | 41c822 |
hex | 2fc459 |
3130457 has 4 divisors (see below), whose sum is σ = 3415056. Its totient is φ = 2845860.
The previous prime is 3130453. The next prime is 3130483. The reversal of 3130457 is 7540313.
It is a happy number.
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 3130457 - 22 = 3130453 is a prime.
It is a super-2 number, since 2×31304572 = 19599522057698, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3130451) 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, 142283 + ... + 142304.
It is an arithmetic number, because the mean of its divisors is an integer number (853764).
Almost surely, 23130457 is an apocalyptic number.
It is an amenable number.
3130457 is a deficient number, since it is larger than the sum of its proper divisors (284599).
3130457 is a wasteful number, since it uses less digits than its factorization.
3130457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284598.
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 3130457 is about 1769.3097524176. The cubic root of 3130457 is about 146.2859380355.
The spelling of 3130457 in words is "three million, one hundred thirty thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •