Base | Representation |
---|---|
bin | 110111010001… |
… | …0010001100110 |
3 | 2000112010220201 |
4 | 1232202101212 |
5 | 24404214410 |
6 | 2513021114 |
7 | 501202543 |
oct | 156422146 |
9 | 60463821 |
10 | 28976230 |
11 | 153a12a8 |
12 | 985479a |
13 | 6006cca |
14 | 3bc3bca |
15 | 282583a |
hex | 1ba2466 |
28976230 has 16 divisors (see below), whose sum is σ = 52248240. Its totient is φ = 11570272.
The previous prime is 28976203. The next prime is 28976237. The reversal of 28976230 is 3267982.
It is a self number, because there is not a number n which added to its sum of digits gives 28976230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28976237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4392 + ... + 8788.
It is an arithmetic number, because the mean of its divisors is an integer number (3265515).
Almost surely, 228976230 is an apocalyptic number.
28976230 is a deficient number, since it is larger than the sum of its proper divisors (23272010).
28976230 is a wasteful number, since it uses less digits than its factorization.
28976230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5063.
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 28976230 is about 5382.9573656123. The cubic root of 28976230 is about 307.1477182779.
The spelling of 28976230 in words is "twenty-eight million, nine hundred seventy-six thousand, two hundred thirty".
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