Search a number
-
+
23422081 = 31755551
BaseRepresentation
bin101100101011…
…0010010000001
31122001222001111
41121112102001
521444001311
62154003321
7403040644
oct131262201
948058044
1023422081
11122483a1
127a16541
134b10c27
143179a5b
1520c9d21
hex1656481

23422081 has 4 divisors (see below), whose sum is σ = 24177664. Its totient is φ = 22666500.

The previous prime is 23422043. The next prime is 23422093. The reversal of 23422081 is 18022432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23422081 - 29 = 23421569 is a prime.

It is a super-2 number, since 2×234220812 = 1097187756741122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23422031) 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, 377745 + ... + 377806.

It is an arithmetic number, because the mean of its divisors is an integer number (6044416).

Almost surely, 223422081 is an apocalyptic number.

It is an amenable number.

23422081 is a deficient number, since it is larger than the sum of its proper divisors (755583).

23422081 is an equidigital number, since it uses as much as digits as its factorization.

23422081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755582.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 23422081 is about 4839.6364532886. The cubic root of 23422081 is about 286.1157900751.

The spelling of 23422081 in words is "twenty-three million, four hundred twenty-two thousand, eighty-one".

Divisors: 1 31 755551 23422081