Search a number
-
+
23106725 = 52924269
BaseRepresentation
bin101100000100…
…1010010100101
31121110221110122
41120021102211
521403403400
62143131325
7400255355
oct130112245
947427418
1023106725
1112052474
1278a3b45
134a30525
1430d6b65
152066685
hex16094a5

23106725 has 6 divisors (see below), whose sum is σ = 28652370. Its totient is φ = 18485360.

The previous prime is 23106709. The next prime is 23106731. The reversal of 23106725 is 52760132.

It can be written as a sum of positive squares in 3 ways, for example, as 2982529 + 20124196 = 1727^2 + 4486^2 .

It is not a de Polignac number, because 23106725 - 24 = 23106709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23106694 and 23106703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 462110 + ... + 462159.

It is an arithmetic number, because the mean of its divisors is an integer number (4775395).

Almost surely, 223106725 is an apocalyptic number.

23106725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23106725 is a deficient number, since it is larger than the sum of its proper divisors (5545645).

23106725 is an equidigital number, since it uses as much as digits as its factorization.

23106725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924279 (or 924274 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 23106725 is about 4806.9454958424. The cubic root of 23106725 is about 284.8258914003.

Adding to 23106725 its reverse (52760132), we get a palindrome (75866857).

The spelling of 23106725 in words is "twenty-three million, one hundred six thousand, seven hundred twenty-five".

Divisors: 1 5 25 924269 4621345 23106725