Search a number
-
+
23630249 is a prime number
BaseRepresentation
bin101101000100…
…1000110101001
31122110112121102
41122021012221
522022131444
62202251145
7404565566
oct132110651
948415542
1023630249
111237a835
127ab6ab5
134b848c6
1431d186d
15211b84e
hex16891a9

23630249 has 2 divisors, whose sum is σ = 23630250. Its totient is φ = 23630248.

The previous prime is 23630239. The next prime is 23630279. The reversal of 23630249 is 94203632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19963024 + 3667225 = 4468^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 23630249 - 216 = 23564713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23630239) by changing a digit.

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 as a sum of consecutive naturals, namely, 11815124 + 11815125.

It is an arithmetic number, because the mean of its divisors is an integer number (11815125).

Almost surely, 223630249 is an apocalyptic number.

It is an amenable number.

23630249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23630249 is an equidigital number, since it uses as much as digits as its factorization.

23630249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 23630249 is about 4861.0954526732. The cubic root of 23630249 is about 286.9609265846.

The spelling of 23630249 in words is "twenty-three million, six hundred thirty thousand, two hundred forty-nine".