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23908051 = 103232117
BaseRepresentation
bin101101100110…
…0111011010011
31122222122200101
41123030323103
522110024201
62212233231
7410133526
oct133147323
948878611
1023908051
111254a522
12800b817
134c5119b
143264bbd
152173d01
hex16cced3

23908051 has 4 divisors (see below), whose sum is σ = 24140272. Its totient is φ = 23675832.

The previous prime is 23908033. The next prime is 23908057. The reversal of 23908051 is 15080932.

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

It is a cyclic number.

It is not a de Polignac number, because 23908051 - 25 = 23908019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23908057) 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, 115956 + ... + 116161.

It is an arithmetic number, because the mean of its divisors is an integer number (6035068).

Almost surely, 223908051 is an apocalyptic number.

23908051 is a deficient number, since it is larger than the sum of its proper divisors (232221).

23908051 is a wasteful number, since it uses less digits than its factorization.

23908051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232220.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 23908051 is about 4889.5859742927. The cubic root of 23908051 is about 288.0810720513.

Adding to 23908051 its reverse (15080932), we get a palindrome (38988983).

The spelling of 23908051 in words is "twenty-three million, nine hundred eight thousand, fifty-one".

Divisors: 1 103 232117 23908051