Search a number
-
+
23244189 = 37748063
BaseRepresentation
bin101100010101…
…0110110011101
31121201221000220
41120222312131
521422303224
62150111553
7401400213
oct130526635
947657026
1023244189
1112136781
12794b5b9
134a7ac77
143130cb3
152092279
hex162ad9d

23244189 has 4 divisors (see below), whose sum is σ = 30992256. Its totient is φ = 15496124.

The previous prime is 23244181. The next prime is 23244211. The reversal of 23244189 is 98144232.

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 23244189 - 23 = 23244181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23244181) 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, 3874029 + ... + 3874034.

It is an arithmetic number, because the mean of its divisors is an integer number (7748064).

Almost surely, 223244189 is an apocalyptic number.

It is an amenable number.

23244189 is a deficient number, since it is larger than the sum of its proper divisors (7748067).

23244189 is an equidigital number, since it uses as much as digits as its factorization.

23244189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748066.

The product of its digits is 13824, while the sum is 33.

The square root of 23244189 is about 4821.2227702109. Note that the first 3 decimals coincide. The cubic root of 23244189 is about 285.3895933781.

The spelling of 23244189 in words is "twenty-three million, two hundred forty-four thousand, one hundred eighty-nine".

Divisors: 1 3 7748063 23244189