Search a number
-
+
28092 = 2232341
BaseRepresentation
bin110110110111100
31102112110
412312330
51344332
6334020
7144621
oct66674
942473
1028092
111a119
1214310
13ca2c
14a348
1584cc
hex6dbc

28092 has 12 divisors (see below), whose sum is σ = 65576. Its totient is φ = 9360.

The previous prime is 28087. The next prime is 28097. The reversal of 28092 is 29082.

It is an interprime number because it is at equal distance from previous prime (28087) and next prime (28097).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 28092.

It is not an unprimeable number, because it can be changed into a prime (28097) by changing a digit.

28092 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159 + ... + 1182.

228092 is an apocalyptic number.

It is an amenable number.

28092 is an abundant number, since it is smaller than the sum of its proper divisors (37484).

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 (32788).

28092 is a wasteful number, since it uses less digits than its factorization.

28092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 28092 is about 167.6066824443. The cubic root of 28092 is about 30.3991112390.

Subtracting 28092 from its reverse (29082), we obtain a triangular number (990 = T44).

The spelling of 28092 in words is "twenty-eight thousand, ninety-two".

Divisors: 1 2 3 4 6 12 2341 4682 7023 9364 14046 28092