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23104205 = 54620841
BaseRepresentation
bin101100000100…
…0101011001101
31121110211000022
41120020223031
521403313310
62143111525
7400245125
oct130105315
947424008
1023104205
1112050593
1278a25a5
134a2c337
1430d5c85
152065a55
hex1608acd

23104205 has 4 divisors (see below), whose sum is σ = 27725052. Its totient is φ = 18483360.

The previous prime is 23104187. The next prime is 23104217. The reversal of 23104205 is 50240132.

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 4553956 + 18550249 = 2134^2 + 4307^2 .

It is not a de Polignac number, because 23104205 - 210 = 23103181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310416 + ... + 2310425.

It is an arithmetic number, because the mean of its divisors is an integer number (6931263).

Almost surely, 223104205 is an apocalyptic number.

It is an amenable number.

23104205 is a deficient number, since it is larger than the sum of its proper divisors (4620847).

23104205 is an equidigital number, since it uses as much as digits as its factorization.

23104205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620846.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23104205 is about 4806.6833679784. The cubic root of 23104205 is about 284.8155367332.

Adding to 23104205 its reverse (50240132), we get a palindrome (73344337).

The spelling of 23104205 in words is "twenty-three million, one hundred four thousand, two hundred five".

Divisors: 1 5 4620841 23104205