Base | Representation |
---|---|
bin | 110101011011… |
… | …0000110101100 |
3 | 1221200222221210 |
4 | 1222312012230 |
5 | 24132241001 |
6 | 2440154420 |
7 | 460033350 |
oct | 152660654 |
9 | 57628853 |
10 | 28008876 |
11 | 148a0535 |
12 | 9468a10 |
13 | 5a588cc |
14 | 3a11460 |
15 | 26d3dd6 |
hex | 1ab61ac |
28008876 has 24 divisors (see below), whose sum is σ = 74690560. Its totient is φ = 8002512.
The previous prime is 28008853. The next prime is 28008887. The reversal of 28008876 is 67880082.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
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, 166636 + ... + 166803.
Almost surely, 228008876 is an apocalyptic number.
It is an amenable number.
28008876 is an abundant number, since it is smaller than the sum of its proper divisors (46681684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28008876 is a wasteful number, since it uses less digits than its factorization.
28008876 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333453 (or 333451 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 39.
The square root of 28008876 is about 5292.3412588381. The cubic root of 28008876 is about 303.6909804211.
The spelling of 28008876 in words is "twenty-eight million, eight thousand, eight hundred seventy-six".
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