Search a number
-
+
23943761 is a prime number
BaseRepresentation
bin101101101010…
…1101001010001
31200001110122222
41123111221101
522112200021
62213110425
7410342612
oct133255121
950043588
1023943761
1112574336
128028415
134c6450a
143273c09
15217e6ab
hex16d5a51

23943761 has 2 divisors, whose sum is σ = 23943762. Its totient is φ = 23943760.

The previous prime is 23943697. The next prime is 23943809. The reversal of 23943761 is 16734932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18653761 + 5290000 = 4319^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 23943761 - 26 = 23943697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23943461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971880 + 11971881.

It is an arithmetic number, because the mean of its divisors is an integer number (11971881).

Almost surely, 223943761 is an apocalyptic number.

It is an amenable number.

23943761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23943761 is an equidigital number, since it uses as much as digits as its factorization.

23943761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 23943761 is about 4893.2362501723. The cubic root of 23943761 is about 288.2244304184.

The spelling of 23943761 in words is "twenty-three million, nine hundred forty-three thousand, seven hundred sixty-one".