Search a number
-
+
23481527 is a prime number
BaseRepresentation
bin101100110010…
…0110010110111
31122011222121012
41121210302313
522002402102
62155142435
7403406156
oct131446267
948158535
1023481527
1112289023
127a44a1b
134b31cc4
14319359d
1520dc752
hex1664cb7

23481527 has 2 divisors, whose sum is σ = 23481528. Its totient is φ = 23481526.

The previous prime is 23481499. The next prime is 23481547. The reversal of 23481527 is 72518432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23481527 - 210 = 23480503 is a prime.

It is a super-2 number, since 2×234815272 = 1102764220503458, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23481493 and 23481502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23481547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11740763 + 11740764.

It is an arithmetic number, because the mean of its divisors is an integer number (11740764).

Almost surely, 223481527 is an apocalyptic number.

23481527 is a deficient number, since it is larger than the sum of its proper divisors (1).

23481527 is an equidigital number, since it uses as much as digits as its factorization.

23481527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 23481527 is about 4845.7741383601. The cubic root of 23481527 is about 286.3576426271.

Adding to 23481527 its reverse (72518432), we get a palindrome (95999959).

The spelling of 23481527 in words is "twenty-three million, four hundred eighty-one thousand, five hundred twenty-seven".