Base | Representation |
---|---|
bin | 1101110111100… |
… | …1001111011001 |
3 | 11001110020212210 |
4 | 3131321033121 |
5 | 104342341111 |
6 | 5434425333 |
7 | 1304264553 |
oct | 335711731 |
9 | 131406783 |
10 | 58168281 |
11 | 2a91a766 |
12 | 17592249 |
13 | c088302 |
14 | 7a224d3 |
15 | 51900a6 |
hex | 37793d9 |
58168281 has 16 divisors (see below), whose sum is σ = 80043264. Its totient is φ = 37553664.
The previous prime is 58168273. The next prime is 58168283. The reversal of 58168281 is 18286185.
It is not a de Polignac number, because 58168281 - 23 = 58168273 is a prime.
It is a super-2 number, since 2×581682812 = 6767097828989922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (58168283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11551 + ... + 15803.
It is an arithmetic number, because the mean of its divisors is an integer number (5002704).
Almost surely, 258168281 is an apocalyptic number.
It is an amenable number.
58168281 is a deficient number, since it is larger than the sum of its proper divisors (21874983).
58168281 is a wasteful number, since it uses less digits than its factorization.
58168281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4400.
The product of its digits is 30720, while the sum is 39.
The square root of 58168281 is about 7626.8132925882. The cubic root of 58168281 is about 387.4616675228.
The spelling of 58168281 in words is "fifty-eight million, one hundred sixty-eight thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •