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23254438 = 211627219
BaseRepresentation
bin101100010110…
…1010110100110
31121202110002111
41120231112212
521423120223
62150231234
7401442124
oct130552646
947673074
1023254438
1112143449
12795551a
134a8282c
143134914
15209530d
hex162d5a6

23254438 has 4 divisors (see below), whose sum is σ = 34881660. Its totient is φ = 11627218.

The previous prime is 23254411. The next prime is 23254447. The reversal of 23254438 is 83445232.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 5813608 + ... + 5813611.

It is an arithmetic number, because the mean of its divisors is an integer number (8720415).

Almost surely, 223254438 is an apocalyptic number.

23254438 is a deficient number, since it is larger than the sum of its proper divisors (11627222).

23254438 is a wasteful number, since it uses less digits than its factorization.

23254438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11627221.

The product of its digits is 23040, while the sum is 31.

The square root of 23254438 is about 4822.2855576998. The cubic root of 23254438 is about 285.4315325792.

The spelling of 23254438 in words is "twenty-three million, two hundred fifty-four thousand, four hundred thirty-eight".

Divisors: 1 2 11627219 23254438