Search a number
-
+
23004493 is a prime number
BaseRepresentation
bin101011111000…
…0010101001101
31121021202020021
41113300111031
521342120433
62141022141
7366351331
oct127602515
947252207
1023004493
1111a92686
127854951
1349c5b35
1430ab7c1
15204622d
hex15f054d

23004493 has 2 divisors, whose sum is σ = 23004494. Its totient is φ = 23004492.

The previous prime is 23004481. The next prime is 23004523. The reversal of 23004493 is 39440032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17330569 + 5673924 = 4163^2 + 2382^2 .

It is a cyclic number.

It is not a de Polignac number, because 23004493 - 217 = 22873421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23004433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502246 + 11502247.

It is an arithmetic number, because the mean of its divisors is an integer number (11502247).

Almost surely, 223004493 is an apocalyptic number.

It is an amenable number.

23004493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23004493 is an equidigital number, since it uses as much as digits as its factorization.

23004493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23004493 is about 4796.2999280696. The cubic root of 23004493 is about 284.4052148872.

The spelling of 23004493 in words is "twenty-three million, four thousand, four hundred ninety-three".