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23956481 is a prime number
BaseRepresentation
bin101101101100…
…0110000000001
31200002010010002
41123120300001
522113101411
62213245345
7410424653
oct133306001
950063102
1023956481
111258294a
128033855
134c6a243
1432786d3
15218333b
hex16d8c01

23956481 has 2 divisors, whose sum is σ = 23956482. Its totient is φ = 23956480.

The previous prime is 23956447. The next prime is 23956487. The reversal of 23956481 is 18465932.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12673600 + 11282881 = 3560^2 + 3359^2 .

It is a cyclic number.

It is not a de Polignac number, because 23956481 - 210 = 23955457 is a prime.

It is a super-2 number, since 2×239564812 = 1147825963806722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23956487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978240 + 11978241.

It is an arithmetic number, because the mean of its divisors is an integer number (11978241).

Almost surely, 223956481 is an apocalyptic number.

It is an amenable number.

23956481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23956481 is an equidigital number, since it uses as much as digits as its factorization.

23956481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 23956481 is about 4894.5358309037. The cubic root of 23956481 is about 288.2754606322.

The spelling of 23956481 in words is "twenty-three million, nine hundred fifty-six thousand, four hundred eighty-one".