Base | Representation |
---|---|
bin | 110110101100… |
… | …1101001101010 |
3 | 1222222000212101 |
4 | 1231121221222 |
5 | 24320210022 |
6 | 2502404014 |
7 | 465523360 |
oct | 155315152 |
9 | 58860771 |
10 | 28678762 |
11 | 15208862 |
12 | 973060a |
13 | 5c317a8 |
14 | 3b47630 |
15 | 27b7627 |
hex | 1b59a6a |
28678762 has 32 divisors (see below), whose sum is σ = 53343360. Its totient is φ = 11281920.
The previous prime is 28678757. The next prime is 28678763. The reversal of 28678762 is 26787682.
It is not an unprimeable number, because it can be changed into a prime (28678763) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8289 + ... + 11227.
It is an arithmetic number, because the mean of its divisors is an integer number (1666980).
Almost surely, 228678762 is an apocalyptic number.
28678762 is a deficient number, since it is larger than the sum of its proper divisors (24664598).
28678762 is a wasteful number, since it uses less digits than its factorization.
28678762 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3006.
The product of its digits is 451584, while the sum is 46.
The square root of 28678762 is about 5355.2555494579. The cubic root of 28678762 is about 306.0930484398.
The spelling of 28678762 in words is "twenty-eight million, six hundred seventy-eight thousand, seven hundred sixty-two".
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