Base | Representation |
---|---|
bin | 110110111100… |
… | …1111000001000 |
3 | 2000012201221012 |
4 | 1231321320020 |
5 | 24333421020 |
6 | 2505303052 |
7 | 466613246 |
oct | 155717010 |
9 | 60181835 |
10 | 28810760 |
11 | 15298a50 |
12 | 9794a88 |
13 | 5c798b4 |
14 | 3b7d796 |
15 | 27e17c5 |
hex | 1b79e08 |
28810760 has 32 divisors (see below), whose sum is σ = 70718400. Its totient is φ = 10476480.
The previous prime is 28810759. The next prime is 28810787. The reversal of 28810760 is 6701882.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32300 + ... + 33179.
It is an arithmetic number, because the mean of its divisors is an integer number (2209950).
Almost surely, 228810760 is an apocalyptic number.
28810760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28810760 is an abundant number, since it is smaller than the sum of its proper divisors (41907640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28810760 is a wasteful number, since it uses less digits than its factorization.
28810760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65501 (or 65497 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 32.
The square root of 28810760 is about 5367.5655561903. The cubic root of 28810760 is about 306.5619417669.
The spelling of 28810760 in words is "twenty-eight million, eight hundred ten thousand, seven hundred sixty".
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