Search a number
-
+
23528293 is a prime number
BaseRepresentation
bin101100111000…
…0001101100101
31122021100202021
41121300031211
522010401133
62200143141
7403662415
oct131601545
948240667
1023528293
1112310178
127a67ab1
134b4a389
1431a6645
1520eb52d
hex1670365

23528293 has 2 divisors, whose sum is σ = 23528294. Its totient is φ = 23528292.

The previous prime is 23528279. The next prime is 23528311. The reversal of 23528293 is 39282532.

23528293 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20493729 + 3034564 = 4527^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 23528293 - 221 = 21431141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23528233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11764146 + 11764147.

It is an arithmetic number, because the mean of its divisors is an integer number (11764147).

Almost surely, 223528293 is an apocalyptic number.

It is an amenable number.

23528293 is a deficient number, since it is larger than the sum of its proper divisors (1).

23528293 is an equidigital number, since it uses as much as digits as its factorization.

23528293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 23528293 is about 4850.5971797295. The cubic root of 23528293 is about 286.5476206317.

The spelling of 23528293 in words is "twenty-three million, five hundred twenty-eight thousand, two hundred ninety-three".