Search a number
-
+
23250761 is a prime number
BaseRepresentation
bin101100010110…
…0011101001001
31121202021001022
41120230131021
521423011021
62150202225
7401425322
oct130543511
947667038
1023250761
1112140706
127953375
134a80c61
143133449
1520941ab
hex162c749

23250761 has 2 divisors, whose sum is σ = 23250762. Its totient is φ = 23250760.

The previous prime is 23250751. The next prime is 23250791. The reversal of 23250761 is 16705232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15721225 + 7529536 = 3965^2 + 2744^2 .

It is a cyclic number.

It is not a de Polignac number, because 23250761 - 26 = 23250697 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23250761.

It is not a weakly prime, because it can be changed into another prime (23250701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11625380 + 11625381.

It is an arithmetic number, because the mean of its divisors is an integer number (11625381).

Almost surely, 223250761 is an apocalyptic number.

It is an amenable number.

23250761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23250761 is an equidigital number, since it uses as much as digits as its factorization.

23250761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 23250761 is about 4821.9042918747. The cubic root of 23250761 is about 285.4164876077.

Adding to 23250761 its reverse (16705232), we get a palindrome (39955993).

The spelling of 23250761 in words is "twenty-three million, two hundred fifty thousand, seven hundred sixty-one".