Base | Representation |
---|---|
bin | 110101100100… |
… | …0111110100111 |
3 | 1221211221000000 |
4 | 1223020332213 |
5 | 24142224213 |
6 | 2441552343 |
7 | 460504626 |
oct | 153107647 |
9 | 57757000 |
10 | 28086183 |
11 | 14943624 |
12 | 94a56b3 |
13 | 5a84b58 |
14 | 3a316bd |
15 | 26ebc73 |
hex | 1ac8fa7 |
28086183 has 28 divisors (see below), whose sum is σ = 42889320. Its totient is φ = 18378576.
The previous prime is 28086137. The next prime is 28086203. The reversal of 28086183 is 38168082.
It is not a de Polignac number, because 28086183 - 217 = 27955111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28086103) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 42685 + ... + 43337.
Almost surely, 228086183 is an apocalyptic number.
28086183 is a deficient number, since it is larger than the sum of its proper divisors (14803137).
28086183 is an frugal number, since it uses more digits than its factorization.
28086183 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 730 (or 715 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 28086183 is about 5299.6398934267. The cubic root of 28086183 is about 303.9701284995.
The spelling of 28086183 in words is "twenty-eight million, eighty-six thousand, one hundred eighty-three".
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