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28302 = 235389
BaseRepresentation
bin110111010001110
31102211020
412322032
51401202
6335010
7145341
oct67216
942736
1028302
111a29a
1214466
13cb61
14a458
1585bc
hex6e8e

28302 has 16 divisors (see below), whose sum is σ = 58320. Its totient is φ = 9152.

The previous prime is 28297. The next prime is 28307. The reversal of 28302 is 20382.

It is an interprime number because it is at equal distance from previous prime (28297) and next prime (28307).

It is a plaindrome in base 12.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28307) 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, 274 + ... + 362.

It is an arithmetic number, because the mean of its divisors is an integer number (3645).

228302 is an apocalyptic number.

28302 is an abundant number, since it is smaller than the sum of its proper divisors (30018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29160).

28302 is a wasteful number, since it uses less digits than its factorization.

28302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 28302 is about 168.2319826906. The cubic root of 28302 is about 30.4746721559.

Adding to 28302 its reverse (20382), we get a palindrome (48684).

The spelling of 28302 in words is "twenty-eight thousand, three hundred two".

Divisors: 1 2 3 6 53 89 106 159 178 267 318 534 4717 9434 14151 28302