Search a number
-
+
23318089 = 891272063
BaseRepresentation
bin101100011110…
…0111001001001
31121212200101221
41120330321021
521432134324
62151442041
7402125524
oct130747111
947780357
1023318089
1112187253
127986321
134aa57b2
14314dbbb
1520a90e4
hex163ce49

23318089 has 8 divisors (see below), whose sum is σ = 23777280. Its totient is φ = 22863456.

The previous prime is 23318027. The next prime is 23318093. The reversal of 23318089 is 98081332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23318089 - 27 = 23317961 is a prime.

It is a super-2 number, since 2×233180892 = 1087466549223842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23318489) 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 in 7 ways as a sum of consecutive naturals, for example, 10272 + ... + 12334.

It is an arithmetic number, because the mean of its divisors is an integer number (2972160).

Almost surely, 223318089 is an apocalyptic number.

It is an amenable number.

23318089 is a deficient number, since it is larger than the sum of its proper divisors (459191).

23318089 is a wasteful number, since it uses less digits than its factorization.

23318089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 23318089 is about 4828.8807191729. The cubic root of 23318089 is about 285.6917187771.

The spelling of 23318089 in words is "twenty-three million, three hundred eighteen thousand, eighty-nine".

Divisors: 1 89 127 2063 11303 183607 262001 23318089