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23904306 = 2321328017
BaseRepresentation
bin101101100110…
…0000000110010
31122222110112200
41123030000302
522104414211
62212204030
7410116566
oct133140062
948873480
1023904306
1112547728
128009616
134c4c57a
1432636a6
152172b56
hex16cc032

23904306 has 12 divisors (see below), whose sum is σ = 51792702. Its totient is φ = 7968096.

The previous prime is 23904289. The next prime is 23904313. The reversal of 23904306 is 60340932.

It can be written as a sum of positive squares in only one way, i.e., 22953681 + 950625 = 4791^2 + 975^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23904306.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 663991 + ... + 664026.

Almost surely, 223904306 is an apocalyptic number.

23904306 is an abundant number, since it is smaller than the sum of its proper divisors (27888396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23904306 is a wasteful number, since it uses less digits than its factorization.

23904306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328025 (or 1328022 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 23904306 is about 4889.2030025353. The cubic root of 23904306 is about 288.0660294205.

The spelling of 23904306 in words is "twenty-three million, nine hundred four thousand, three hundred six".

Divisors: 1 2 3 6 9 18 1328017 2656034 3984051 7968102 11952153 23904306