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23216741 is a prime number
BaseRepresentation
bin101100010010…
…0001001100101
31121200112101022
41120210021211
521420413431
62145340525
7401224202
oct130441145
947615338
1023216741
1112118099
127937745
134a6b622
143124ca9
15208907b
hex1624265

23216741 has 2 divisors, whose sum is σ = 23216742. Its totient is φ = 23216740.

The previous prime is 23216717. The next prime is 23216759. The reversal of 23216741 is 14761232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22600516 + 616225 = 4754^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 23216741 - 214 = 23200357 is a prime.

It is a super-2 number, since 2×232167412 = 1078034125322162, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 23216741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23216761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11608370 + 11608371.

It is an arithmetic number, because the mean of its divisors is an integer number (11608371).

Almost surely, 223216741 is an apocalyptic number.

It is an amenable number.

23216741 is a deficient number, since it is larger than the sum of its proper divisors (1).

23216741 is an equidigital number, since it uses as much as digits as its factorization.

23216741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 23216741 is about 4818.3753486004. The cubic root of 23216741 is about 285.2772146248.

Adding to 23216741 its reverse (14761232), we get a palindrome (37977973).

The spelling of 23216741 in words is "twenty-three million, two hundred sixteen thousand, seven hundred forty-one".