Base | Representation |
---|---|
bin | 110111000011… |
… | …1110110100110 |
3 | 2000022122110102 |
4 | 1232013312212 |
5 | 24342234011 |
6 | 2510424102 |
7 | 500242166 |
oct | 156076646 |
9 | 60278412 |
10 | 28868006 |
11 | 15327a62 |
12 | 9802032 |
13 | 5c9997b |
14 | 3b965a6 |
15 | 280373b |
hex | 1b87da6 |
28868006 has 32 divisors (see below), whose sum is σ = 48211200. Its totient is φ = 12902400.
The previous prime is 28867999. The next prime is 28868027. The reversal of 28868006 is 60086882.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent 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, 64070 + ... + 64518.
It is an arithmetic number, because the mean of its divisors is an integer number (1506600).
Almost surely, 228868006 is an apocalyptic number.
28868006 is a deficient number, since it is larger than the sum of its proper divisors (19343194).
28868006 is a wasteful number, since it uses less digits than its factorization.
28868006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 560.
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 28868006 is about 5372.8954949822. The cubic root of 28868006 is about 306.7648501519.
The spelling of 28868006 in words is "twenty-eight million, eight hundred sixty-eight thousand, six".
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