Base | Representation |
---|---|
bin | 110101101101… |
… | …1000000011011 |
3 | 1221222200021222 |
4 | 1223123000123 |
5 | 24202110102 |
6 | 2443322255 |
7 | 461233130 |
oct | 153330033 |
9 | 57880258 |
10 | 28160027 |
11 | 14994055 |
12 | 952038b |
13 | 5aac64c |
14 | 3a50587 |
15 | 2713aa2 |
hex | 1adb01b |
28160027 has 8 divisors (see below), whose sum is σ = 33582336. Its totient is φ = 23087592.
The previous prime is 28160023. The next prime is 28160029. The reversal of 28160027 is 72006182.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28160027 - 22 = 28160023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28159978 and 28160005.
It is not an unprimeable number, because it can be changed into a prime (28160021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87293 + ... + 87614.
It is an arithmetic number, because the mean of its divisors is an integer number (4197792).
Almost surely, 228160027 is an apocalyptic number.
28160027 is a deficient number, since it is larger than the sum of its proper divisors (5422309).
28160027 is a wasteful number, since it uses less digits than its factorization.
28160027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174937.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 28160027 is about 5306.6022085700. The cubic root of 28160027 is about 304.2362940955.
The spelling of 28160027 in words is "twenty-eight million, one hundred sixty thousand, twenty-seven".
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