Search a number
-
+
23080880 = 2452631097
BaseRepresentation
bin101100000001…
…0111110110000
31121102122000102
41120002332300
521402042010
62142411532
7400120124
oct130027660
947378012
1023080880
1112035009
127890ba8
134a21834
1430cb584
15205dba5
hex1602fb0

23080880 has 40 divisors (see below), whose sum is σ = 53916192. Its totient is φ = 9188864.

The previous prime is 23080879. The next prime is 23080907. The reversal of 23080880 is 8808032.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20492 + ... + 21588.

Almost surely, 223080880 is an apocalyptic number.

23080880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23080880 is an abundant number, since it is smaller than the sum of its proper divisors (30835312).

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

23080880 is a wasteful number, since it uses less digits than its factorization.

23080880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 23080880 is about 4804.2564461111. The cubic root of 23080880 is about 284.7196586704.

The spelling of 23080880 in words is "twenty-three million, eighty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 263 526 1052 1097 1315 2104 2194 2630 4208 4388 5260 5485 8776 10520 10970 17552 21040 21940 43880 87760 288511 577022 1154044 1442555 2308088 2885110 4616176 5770220 11540440 23080880