Search a number
-
+
23820733 is a prime number
BaseRepresentation
bin101101011011…
…1100110111101
31122211012220101
41122313212331
522044230413
62210321101
7406321126
oct132674675
948735811
1023820733
111249a962
127b89191
134c20511
14324104d
152157edd
hex16b79bd

23820733 has 2 divisors, whose sum is σ = 23820734. Its totient is φ = 23820732.

The previous prime is 23820701. The next prime is 23820743. The reversal of 23820733 is 33702832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23444964 + 375769 = 4842^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 23820733 - 25 = 23820701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23820743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11910366 + 11910367.

It is an arithmetic number, because the mean of its divisors is an integer number (11910367).

Almost surely, 223820733 is an apocalyptic number.

It is an amenable number.

23820733 is a deficient number, since it is larger than the sum of its proper divisors (1).

23820733 is an equidigital number, since it uses as much as digits as its factorization.

23820733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 23820733 is about 4880.6488298176. The cubic root of 23820733 is about 287.7299302403.

The spelling of 23820733 in words is "twenty-three million, eight hundred twenty thousand, seven hundred thirty-three".