Search a number
-
+
23456017 = 132138793
BaseRepresentation
bin101100101111…
…0100100010001
31122010200121101
41121132210101
522001043032
62154424401
7403241614
oct131364421
948120541
1023456017
1112270942
127a32101
134b23500
14318817b
1520d4de7
hex165e911

23456017 has 6 divisors (see below), whose sum is σ = 25399302. Its totient is φ = 21651552.

The previous prime is 23456003. The next prime is 23456023. The reversal of 23456017 is 71065432.

It can be written as a sum of positive squares in 3 ways, for example, as 20736 + 23435281 = 144^2 + 4841^2 .

It is a de Polignac number, because none of the positive numbers 2k-23456017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23456047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69228 + ... + 69565.

It is an arithmetic number, because the mean of its divisors is an integer number (4233217).

Almost surely, 223456017 is an apocalyptic number.

It is an amenable number.

23456017 is a deficient number, since it is larger than the sum of its proper divisors (1943285).

23456017 is a wasteful number, since it uses less digits than its factorization.

23456017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138819 (or 138806 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 23456017 is about 4843.1412327125. The cubic root of 23456017 is about 286.2539067499.

The spelling of 23456017 in words is "twenty-three million, four hundred fifty-six thousand, seventeen".

Divisors: 1 13 169 138793 1804309 23456017