Search a number
-
+
23224133 = 197117889
BaseRepresentation
bin101100010010…
…1111101000101
31121200220112002
41120211331011
521421133013
62145435045
7401254562
oct130457505
947626462
1023224133
11121226a9
12793ba85
134a71aba
143127869
15208b358
hex1625f45

23224133 has 4 divisors (see below), whose sum is σ = 23342220. Its totient is φ = 23106048.

The previous prime is 23224129. The next prime is 23224139. The reversal of 23224133 is 33142232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16265089 + 6959044 = 4033^2 + 2638^2 .

It is a cyclic number.

It is not a de Polignac number, because 23224133 - 22 = 23224129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224139) 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, 58748 + ... + 59141.

It is an arithmetic number, because the mean of its divisors is an integer number (5835555).

Almost surely, 223224133 is an apocalyptic number.

It is an amenable number.

23224133 is a deficient number, since it is larger than the sum of its proper divisors (118087).

23224133 is a wasteful number, since it uses less digits than its factorization.

23224133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118086.

The product of its digits is 864, while the sum is 20.

The square root of 23224133 is about 4819.1423510828. The cubic root of 23224133 is about 285.3074879723.

Adding to 23224133 its reverse (33142232), we get a palindrome (56366365).

The spelling of 23224133 in words is "twenty-three million, two hundred twenty-four thousand, one hundred thirty-three".

Divisors: 1 197 117889 23224133