Search a number
-
+
23995001 is a prime number
BaseRepresentation
bin101101110001…
…0001001111001
31200011001221202
41123202021321
522120320001
62214143545
7410645162
oct133421171
950131852
1023995001
11125a9888
128051bb5
134c81934
143288769
15218e96b
hex16e2279

23995001 has 2 divisors, whose sum is σ = 23995002. Its totient is φ = 23995000.

The previous prime is 23994991. The next prime is 23995019. The reversal of 23995001 is 10059932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20475625 + 3519376 = 4525^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 23995001 - 26 = 23994937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23995031) 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, 11997500 + 11997501.

It is an arithmetic number, because the mean of its divisors is an integer number (11997501).

Almost surely, 223995001 is an apocalyptic number.

It is an amenable number.

23995001 is a deficient number, since it is larger than the sum of its proper divisors (1).

23995001 is an equidigital number, since it uses as much as digits as its factorization.

23995001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 23995001 is about 4898.4692506945. The cubic root of 23995001 is about 288.4298854330.

The spelling of 23995001 in words is "twenty-three million, nine hundred ninety-five thousand, one".