Search a number
-
+
23694427 = 149159023
BaseRepresentation
bin101101001100…
…0110001011011
31122120210122101
41122120301123
522031210202
62203504231
7405253651
oct132306133
948523571
1023694427
1112413a79
127b28077
134ba7b93
14320add1
152130887
hex1698c5b

23694427 has 4 divisors (see below), whose sum is σ = 23853600. Its totient is φ = 23535256.

The previous prime is 23694389. The next prime is 23694443. The reversal of 23694427 is 72449632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23694427 - 223 = 15305819 is a prime.

It is a super-2 number, since 2×236944272 = 1122851741716658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23694497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79363 + ... + 79660.

It is an arithmetic number, because the mean of its divisors is an integer number (5963400).

Almost surely, 223694427 is an apocalyptic number.

23694427 is a deficient number, since it is larger than the sum of its proper divisors (159173).

23694427 is a wasteful number, since it uses less digits than its factorization.

23694427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159172.

The product of its digits is 72576, while the sum is 37.

The square root of 23694427 is about 4867.6921636439. The cubic root of 23694427 is about 287.2204799333.

The spelling of 23694427 in words is "twenty-three million, six hundred ninety-four thousand, four hundred twenty-seven".

Divisors: 1 149 159023 23694427