Base | Representation |
---|---|
bin | 110111000000… |
… | …0000101110010 |
3 | 2000021000211210 |
4 | 1232000011302 |
5 | 24340224320 |
6 | 2510020550 |
7 | 500050404 |
oct | 156000562 |
9 | 60230753 |
10 | 28836210 |
11 | 15306087 |
12 | 97a7756 |
13 | 5c88360 |
14 | 3b88b74 |
15 | 27e90e0 |
hex | 1b80172 |
28836210 has 32 divisors (see below), whose sum is σ = 74531520. Its totient is φ = 7098048.
The previous prime is 28836193. The next prime is 28836229. The reversal of 28836210 is 1263882.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36580 + ... + 37359.
It is an arithmetic number, because the mean of its divisors is an integer number (2329110).
Almost surely, 228836210 is an apocalyptic number.
28836210 is an abundant number, since it is smaller than the sum of its proper divisors (45695310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28836210 is a wasteful number, since it uses less digits than its factorization.
28836210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73962.
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 28836210 is about 5369.9357538056. The cubic root of 28836210 is about 306.6521824182.
The spelling of 28836210 in words is "twenty-eight million, eight hundred thirty-six thousand, two hundred ten".
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