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23154424 = 232894303
BaseRepresentation
bin101100001010…
…0111011111000
31121120100220021
41120110323320
521411420144
62144140224
7400544416
oct130247370
947510807
1023154424
1112085297
127907674
134a49157
14310a2b6
152075884
hex1614ef8

23154424 has 8 divisors (see below), whose sum is σ = 43414560. Its totient is φ = 11577208.

The previous prime is 23154413. The next prime is 23154437. The reversal of 23154424 is 42445132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×231544242 = 1072254701543552, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1447144 + ... + 1447159.

It is an arithmetic number, because the mean of its divisors is an integer number (5426820).

Almost surely, 223154424 is an apocalyptic number.

It is an amenable number.

23154424 is a deficient number, since it is larger than the sum of its proper divisors (20260136).

23154424 is a wasteful number, since it uses less digits than its factorization.

23154424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894309 (or 2894305 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 23154424 is about 4811.9044047030. The cubic root of 23154424 is about 285.0217445192.

Adding to 23154424 its reverse (42445132), we get a palindrome (65599556).

The spelling of 23154424 in words is "twenty-three million, one hundred fifty-four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 2894303 5788606 11577212 23154424