Base | Representation |
---|---|
bin | 110111000101… |
… | …0110000001011 |
3 | 2000100020202022 |
4 | 1232022300023 |
5 | 24343124013 |
6 | 2510555055 |
7 | 500321624 |
oct | 156126013 |
9 | 60306668 |
10 | 28879883 |
11 | 1533597a |
12 | 9808a8b |
13 | 5ca21b6 |
14 | 3b9aa4b |
15 | 2807008 |
hex | 1b8ac0b |
28879883 has 2 divisors, whose sum is σ = 28879884. Its totient is φ = 28879882.
The previous prime is 28879847. The next prime is 28879897. The reversal of 28879883 is 38897882.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28879883 - 210 = 28878859 is a prime.
It is not a weakly prime, because it can be changed into another prime (28879843) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14439941 + 14439942.
It is an arithmetic number, because the mean of its divisors is an integer number (14439942).
Almost surely, 228879883 is an apocalyptic number.
28879883 is a deficient number, since it is larger than the sum of its proper divisors (1).
28879883 is an equidigital number, since it uses as much as digits as its factorization.
28879883 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1548288, while the sum is 53.
The square root of 28879883 is about 5374.0006512839. Note that the first 3 decimals coincide. The cubic root of 28879883 is about 306.8069145578.
The spelling of 28879883 in words is "twenty-eight million, eight hundred seventy-nine thousand, eight hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •