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23116864 = 266012
BaseRepresentation
bin101100000101…
…1110001000000
31121111110101011
41120023301000
521404214424
62143250304
7400330051
oct130136100
947443334
1023116864
111205a051
1278a9994
134a35024
1430da728
152069694
hex160bc40

23116864 has 21 divisors (see below), whose sum is σ = 45948981. Its totient is φ = 11539200.

The previous prime is 23116861. The next prime is 23116867. The reversal of 23116864 is 46861132.

It is a happy number.

The square root of 23116864 is 4808.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (23116861) and next prime (23116867).

It can be written as a sum of positive squares in only one way, i.e., 19430464 + 3686400 = 4408^2 + 1920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23116861) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38164 + ... + 38764.

Almost surely, 223116864 is an apocalyptic number.

23116864 is the 4808-th square number.

It is an amenable number.

23116864 is a deficient number, since it is larger than the sum of its proper divisors (22832117).

23116864 is an frugal number, since it uses more digits than its factorization.

23116864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 603 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The cubic root of 23116864 is about 284.8675448934.

Adding to 23116864 its reverse (46861132), we get a palindrome (69977996).

The spelling of 23116864 in words is "twenty-three million, one hundred sixteen thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 601 1202 2404 4808 9616 19232 38464 361201 722402 1444804 2889608 5779216 11558432 23116864