Search a number
-
+
23748923 = 112158993
BaseRepresentation
bin101101010011…
…0000100111011
31122200120101202
41122212010323
522034431143
62205004415
7405601562
oct132460473
948616352
1023748923
1112450a10
127b5370b
134bc6923
143222bd9
152141ab8
hex16a613b

23748923 has 4 divisors (see below), whose sum is σ = 25907928. Its totient is φ = 21589920.

The previous prime is 23748913. The next prime is 23748973. The reversal of 23748923 is 32984732.

It is a happy number.

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

It is not a de Polignac number, because 23748923 - 28 = 23748667 is a prime.

It is a super-2 number, since 2×237489232 = 1128022687319858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23748913) 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, 1079486 + ... + 1079507.

It is an arithmetic number, because the mean of its divisors is an integer number (6476982).

Almost surely, 223748923 is an apocalyptic number.

23748923 is a deficient number, since it is larger than the sum of its proper divisors (2159005).

23748923 is a wasteful number, since it uses less digits than its factorization.

23748923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159004.

The product of its digits is 72576, while the sum is 38.

The square root of 23748923 is about 4873.2866732832. The cubic root of 23748923 is about 287.4405089257.

The spelling of 23748923 in words is "twenty-three million, seven hundred forty-eight thousand, nine hundred twenty-three".

Divisors: 1 11 2158993 23748923