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28833 = 371373
BaseRepresentation
bin111000010100001
31110112220
413002201
51410313
6341253
7150030
oct70241
943486
1028833
111a732
1214829
131017c
14a717
158823
hex70a1

28833 has 8 divisors (see below), whose sum is σ = 43968. Its totient is φ = 16464.

The previous prime is 28817. The next prime is 28837. The reversal of 28833 is 33882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28833 - 24 = 28817 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666 + ... + 707.

It is an arithmetic number, because the mean of its divisors is an integer number (5496).

228833 is an apocalyptic number.

It is an amenable number.

28833 is a deficient number, since it is larger than the sum of its proper divisors (15135).

28833 is a wasteful number, since it uses less digits than its factorization.

28833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383.

The product of its digits is 1152, while the sum is 24.

The square root of 28833 is about 169.8028268316. The cubic root of 28833 is about 30.6640803322.

It can be divided in two parts, 2883 and 3, that multiplied together give a square (8649 = 932).

The spelling of 28833 in words is "twenty-eight thousand, eight hundred thirty-three".

Divisors: 1 3 7 21 1373 4119 9611 28833