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28053 = 331039
BaseRepresentation
bin110110110010101
31102111000
412312111
51344203
6333513
7144534
oct66625
942430
1028053
111a093
1214299
13c9cc
14a31b
1584a3
hex6d95

28053 has 8 divisors (see below), whose sum is σ = 41600. Its totient is φ = 18684.

The previous prime is 28051. The next prime is 28057. The reversal of 28053 is 35082.

It is not a de Polignac number, because 28053 - 21 = 28051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28051) 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, 493 + ... + 546.

It is an arithmetic number, because the mean of its divisors is an integer number (5200).

228053 is an apocalyptic number.

It is an amenable number.

28053 is a deficient number, since it is larger than the sum of its proper divisors (13547).

28053 is a wasteful number, since it uses less digits than its factorization.

28053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 28053 is about 167.4902982265. The cubic root of 28053 is about 30.3850370732.

It can be divided in two parts, 280 and 53, that added together give a palindrome (333).

The spelling of 28053 in words is "twenty-eight thousand, fifty-three".

Divisors: 1 3 9 27 1039 3117 9351 28053