Search a number
-
+
23185028 = 2226322039
BaseRepresentation
bin101100001110…
…0011010000100
31121121220212202
41120130122010
521413410103
62144534032
7401032556
oct130343204
947556782
1023185028
11120a6289
127921318
134a5a069
1431174d6
15207e988
hex161c684

23185028 has 12 divisors (see below), whose sum is σ = 40729920. Its totient is φ = 11547912.

The previous prime is 23185027. The next prime is 23185031. The reversal of 23185028 is 82058132.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23185027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9968 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (3394160).

Almost surely, 223185028 is an apocalyptic number.

It is an amenable number.

23185028 is a deficient number, since it is larger than the sum of its proper divisors (17544892).

23185028 is a wasteful number, since it uses less digits than its factorization.

23185028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22306 (or 22304 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 23185028 is about 4815.0833845324. The cubic root of 23185028 is about 285.1472635880.

The spelling of 23185028 in words is "twenty-three million, one hundred eighty-five thousand, twenty-eight".

Divisors: 1 2 4 263 526 1052 22039 44078 88156 5796257 11592514 23185028