Search a number
-
+
23126461 is a prime number
BaseRepresentation
bin101100000111…
…0000110111101
31121111221112121
41120032012331
521410021321
62143402541
7400400041
oct130160675
947457477
1023126461
1112066286
1278b3451
134a394c7
143100021
15206c441
hex160e1bd

23126461 has 2 divisors, whose sum is σ = 23126462. Its totient is φ = 23126460.

The previous prime is 23126447. The next prime is 23126479. The reversal of 23126461 is 16462132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14394436 + 8732025 = 3794^2 + 2955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23126461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23126161) 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, 11563230 + 11563231.

It is an arithmetic number, because the mean of its divisors is an integer number (11563231).

Almost surely, 223126461 is an apocalyptic number.

It is an amenable number.

23126461 is a deficient number, since it is larger than the sum of its proper divisors (1).

23126461 is an equidigital number, since it uses as much as digits as its factorization.

23126461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 23126461 is about 4808.9979205652. The cubic root of 23126461 is about 284.9069604991.

Adding to 23126461 its reverse (16462132), we get a palindrome (39588593).

The spelling of 23126461 in words is "twenty-three million, one hundred twenty-six thousand, four hundred sixty-one".