Base | Representation |
---|---|
bin | 110101100100… |
… | …0111110110011 |
3 | 1221211221000110 |
4 | 1223020332303 |
5 | 24142224240 |
6 | 2441552403 |
7 | 460504644 |
oct | 153107663 |
9 | 57757013 |
10 | 28086195 |
11 | 14943635 |
12 | 94a5703 |
13 | 5a84b67 |
14 | 3a316cb |
15 | 26ebc80 |
hex | 1ac8fb3 |
28086195 has 16 divisors (see below), whose sum is σ = 45004032. Its totient is φ = 14957280.
The previous prime is 28086137. The next prime is 28086203. The reversal of 28086195 is 59168082.
It is not a de Polignac number, because 28086195 - 27 = 28086067 is a prime.
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, 17580 + ... + 19110.
It is an arithmetic number, because the mean of its divisors is an integer number (2812752).
Almost surely, 228086195 is an apocalyptic number.
28086195 is a deficient number, since it is larger than the sum of its proper divisors (16917837).
28086195 is a wasteful number, since it uses less digits than its factorization.
28086195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2762.
The product of its (nonzero) digits is 34560, while the sum is 39.
The square root of 28086195 is about 5299.6410255790. The cubic root of 28086195 is about 303.9701717906.
The spelling of 28086195 in words is "twenty-eight million, eighty-six thousand, one hundred ninety-five".
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