Search a number
-
+
23224152 = 2337138239
BaseRepresentation
bin101100010010…
…1111101011000
31121200220112210
41120211331120
521421133102
62145435120
7401254620
oct130457530
947626483
1023224152
1112122716
12793baa0
134a71b03
143127880
15208b36c
hex1625f58

23224152 has 32 divisors (see below), whose sum is σ = 66355200. Its totient is φ = 6635424.

The previous prime is 23224141. The next prime is 23224169. The reversal of 23224152 is 25142232.

It is a super-2 number, since 2×232241522 = 1078722472238208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68952 + ... + 69287.

It is an arithmetic number, because the mean of its divisors is an integer number (2073600).

Almost surely, 223224152 is an apocalyptic number.

It is an amenable number.

23224152 is an abundant number, since it is smaller than the sum of its proper divisors (43131048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23224152 is a wasteful number, since it uses less digits than its factorization.

23224152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138255 (or 138251 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 23224152 is about 4819.1443223875. The cubic root of 23224152 is about 285.3075657770.

Adding to 23224152 its reverse (25142232), we get a palindrome (48366384).

The spelling of 23224152 in words is "twenty-three million, two hundred twenty-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 138239 276478 414717 552956 829434 967673 1105912 1658868 1935346 2903019 3317736 3870692 5806038 7741384 11612076 23224152