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23325613 = 163714249
BaseRepresentation
bin101100011111…
…0101110101101
31121220001201121
41120332232231
521432404423
62151540541
7402156463
oct130765655
947801647
1023325613
1112191973
12798a751
134aa904c
143152833
1520ab45d
hex163ebad

23325613 has 4 divisors (see below), whose sum is σ = 23341500. Its totient is φ = 23309728.

The previous prime is 23325563. The next prime is 23325623. The reversal of 23325613 is 31652332.

It is a happy number.

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 7469289 + 15856324 = 2733^2 + 3982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23325613 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 (23325623) 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, 5488 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (5835375).

Almost surely, 223325613 is an apocalyptic number.

It is an amenable number.

23325613 is a deficient number, since it is larger than the sum of its proper divisors (15887).

23325613 is a wasteful number, since it uses less digits than its factorization.

23325613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15886.

The product of its digits is 3240, while the sum is 25.

The square root of 23325613 is about 4829.6597188622. The cubic root of 23325613 is about 285.7224433266.

Adding to 23325613 its reverse (31652332), we get a palindrome (54977945).

The spelling of 23325613 in words is "twenty-three million, three hundred twenty-five thousand, six hundred thirteen".

Divisors: 1 1637 14249 23325613