Search a number
-
+
23166980 = 2252350363
BaseRepresentation
bin101100001100…
…0000000000100
31121121000010022
41120120000010
521412320410
62144314312
7400626134
oct130300004
947530108
1023166980
1112093771
127912998
134a51a95
143110ac4
152079455
hex1618004

23166980 has 24 divisors (see below), whose sum is σ = 50766912. Its totient is φ = 8863712.

The previous prime is 23166943. The next prime is 23167031. The reversal of 23166980 is 8966132.

It is a self number, because there is not a number n which added to its sum of digits gives 23166980.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24722 + ... + 25641.

It is an arithmetic number, because the mean of its divisors is an integer number (2115288).

Almost surely, 223166980 is an apocalyptic number.

23166980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23166980 is an abundant number, since it is smaller than the sum of its proper divisors (27599932).

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

23166980 is a wasteful number, since it uses less digits than its factorization.

23166980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50395 (or 50393 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 23166980 is about 4813.2089088258. The cubic root of 23166980 is about 285.0732549971.

The spelling of 23166980 in words is "twenty-three million, one hundred sixty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 50363 100726 201452 251815 503630 1007260 1158349 2316698 4633396 5791745 11583490 23166980