Search a number
-
+
23242741 is a prime number
BaseRepresentation
bin101100010101…
…0011111110101
31121201212001021
41120222133311
521422231431
62150101141
7401363044
oct130523765
947655037
1023242741
1112135685
12794a7b1
134a7a402
14313055b
152091b11
hex162a7f5

23242741 has 2 divisors, whose sum is σ = 23242742. Its totient is φ = 23242740.

The previous prime is 23242733. The next prime is 23242759. The reversal of 23242741 is 14724232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13351716 + 9891025 = 3654^2 + 3145^2 .

It is a cyclic number.

It is not a de Polignac number, because 23242741 - 23 = 23242733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23242711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621370 + 11621371.

It is an arithmetic number, because the mean of its divisors is an integer number (11621371).

Almost surely, 223242741 is an apocalyptic number.

It is an amenable number.

23242741 is a deficient number, since it is larger than the sum of its proper divisors (1).

23242741 is an equidigital number, since it uses as much as digits as its factorization.

23242741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 25.

The square root of 23242741 is about 4821.0725984992. The cubic root of 23242741 is about 285.3836671268.

Adding to 23242741 its reverse (14724232), we get a palindrome (37966973).

The spelling of 23242741 in words is "twenty-three million, two hundred forty-two thousand, seven hundred forty-one".