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28183 is a prime number
BaseRepresentation
bin110111000010111
31102122211
412320113
51400213
6334251
7145111
oct67027
942584
1028183
111a1a1
1214387
13ca9c
14a3b1
15853d
hex6e17

28183 has 2 divisors, whose sum is σ = 28184. Its totient is φ = 28182.

The previous prime is 28181. The next prime is 28201. The reversal of 28183 is 38182.

28183 is nontrivially palindromic in base 11.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28183 - 21 = 28181 is a prime.

Together with 28181, it forms a pair of twin primes.

28183 is an undulating number in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14091 + 14092.

It is an arithmetic number, because the mean of its divisors is an integer number (14092).

228183 is an apocalyptic number.

28183 is a deficient number, since it is larger than the sum of its proper divisors (1).

28183 is an equidigital number, since it uses as much as digits as its factorization.

28183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 22.

The square root of 28183 is about 167.8779318433. The cubic root of 28183 is about 30.4319003778.

Multiplying 28183 by its sum of digits (22), we get a palindrome (620026).

Subtracting 28183 from its reverse (38182), we obtain a palindrome (9999).

The spelling of 28183 in words is "twenty-eight thousand, one hundred eighty-three".