Base | Representation |
---|---|
bin | 110111000101… |
… | …1101110101011 |
3 | 2000100110020110 |
4 | 1232023232223 |
5 | 24343241013 |
6 | 2511025403 |
7 | 500336400 |
oct | 156135653 |
9 | 60313213 |
10 | 28883883 |
11 | 15338986 |
12 | 980b263 |
13 | 5ca3c72 |
14 | 3b9c2a7 |
15 | 28082c3 |
hex | 1b8bbab |
28883883 has 24 divisors (see below), whose sum is σ = 46752768. Its totient is φ = 15785616.
The previous prime is 28883861. The next prime is 28883891. The reversal of 28883883 is 38838882.
It is not a de Polignac number, because 28883883 - 25 = 28883851 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28883843) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 891 + ... + 7652.
It is an arithmetic number, because the mean of its divisors is an integer number (1948032).
Almost surely, 228883883 is an apocalyptic number.
28883883 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
28883883 is a deficient number, since it is larger than the sum of its proper divisors (17868885).
28883883 is a wasteful number, since it uses less digits than its factorization.
28883883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8583 (or 8576 counting only the distinct ones).
The product of its digits is 589824, while the sum is 48.
The square root of 28883883 is about 5374.3728006159. The cubic root of 28883883 is about 306.8210786388.
The spelling of 28883883 in words is "twenty-eight million, eight hundred eighty-three thousand, eight hundred eighty-three".
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