Search a number
-
+
23118625 = 53184949
BaseRepresentation
bin101100000110…
…0001100100001
31121111112210101
41120030030201
521404244000
62143302401
7400335145
oct130141441
947445711
1023118625
1112060402
1278aaa01
134a35a7a
1430db225
152069e6a
hex160c321

23118625 has 8 divisors (see below), whose sum is σ = 28852200. Its totient is φ = 18494800.

The previous prime is 23118617. The next prime is 23118631. The reversal of 23118625 is 52681132.

It can be written as a sum of positive squares in 4 ways, for example, as 613089 + 22505536 = 783^2 + 4744^2 .

It is not a de Polignac number, because 23118625 - 23 = 23118617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23118593 and 23118602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92350 + ... + 92599.

It is an arithmetic number, because the mean of its divisors is an integer number (3606525).

Almost surely, 223118625 is an apocalyptic number.

23118625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23118625 is a deficient number, since it is larger than the sum of its proper divisors (5733575).

23118625 is an equidigital number, since it uses as much as digits as its factorization.

23118625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184964 (or 184954 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 23118625 is about 4808.1831287920. The cubic root of 23118625 is about 284.8747782709.

Adding to 23118625 its reverse (52681132), we get a palindrome (75799757).

The spelling of 23118625 in words is "twenty-three million, one hundred eighteen thousand, six hundred twenty-five".

Divisors: 1 5 25 125 184949 924745 4623725 23118625