28268 has 12 divisors (see below), whose sum is σ = 51072. Its totient is φ = 13680.
The previous prime is 28229. The next prime is 28277. The reversal of 28268 is 86282.
It is a d-powerful number, because it can be written as 22 + 8 + 214 + 65 + 84 .
It is a nialpdrome in base 14.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 243.
It is an arithmetic number, because the mean of its divisors is an integer number (4256).
228268 is an apocalyptic number.
It is an amenable number.
28268 is a deficient number, since it is larger than the sum of its proper divisors (22804).
28268 is a wasteful number, since it uses less digits than its factorization.
28268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232 (or 230 counting only the distinct ones).
The product of its digits is 1536, while the sum is 26.
The square root of 28268 is about 168.1309013834. The cubic root of 28268 is about 30.4624639015.
The spelling of 28268 in words is "twenty-eight thousand, two hundred sixty-eight".
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