Search a number
-
+
23242843 = 131787911
BaseRepresentation
bin101100010101…
…0100001011011
31121201212012001
41120222201123
521422232333
62150101431
7401363251
oct130524133
947655161
1023242843
1112135768
12794a877
134a7a480
1431305d1
152091b7d
hex162a85b

23242843 has 4 divisors (see below), whose sum is σ = 25030768. Its totient is φ = 21454920.

The previous prime is 23242841. The next prime is 23242847. The reversal of 23242843 is 34824232.

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 23242843 - 21 = 23242841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23242841) 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, 893943 + ... + 893968.

It is an arithmetic number, because the mean of its divisors is an integer number (6257692).

Almost surely, 223242843 is an apocalyptic number.

23242843 is a deficient number, since it is larger than the sum of its proper divisors (1787925).

23242843 is a wasteful number, since it uses less digits than its factorization.

23242843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787924.

The product of its digits is 9216, while the sum is 28.

The square root of 23242843 is about 4821.0831770464. The cubic root of 23242843 is about 285.3840845918.

The spelling of 23242843 in words is "twenty-three million, two hundred forty-two thousand, eight hundred forty-three".

Divisors: 1 13 1787911 23242843