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28353 = 313727
BaseRepresentation
bin110111011000001
31102220010
412323001
51401403
6335133
7145443
oct67301
942803
1028353
111a336
12144a9
13cba0
14a493
158603
hex6ec1

28353 has 8 divisors (see below), whose sum is σ = 40768. Its totient is φ = 17424.

The previous prime is 28351. The next prime is 28387. The reversal of 28353 is 35382.

28353 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 28353 - 21 = 28351 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (28351) 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, 325 + ... + 402.

It is an arithmetic number, because the mean of its divisors is an integer number (5096).

228353 is an apocalyptic number.

It is an amenable number.

28353 is a deficient number, since it is larger than the sum of its proper divisors (12415).

28353 is a wasteful number, since it uses less digits than its factorization.

28353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its digits is 720, while the sum is 21.

The square root of 28353 is about 168.3834908772. The cubic root of 28353 is about 30.4929662182.

The spelling of 28353 in words is "twenty-eight thousand, three hundred fifty-three".

Divisors: 1 3 13 39 727 2181 9451 28353