Base | Representation |
---|---|
bin | 101100010101… |
… | …0101100000101 |
3 | 1121201220010022 |
4 | 1120222230011 |
5 | 21422243100 |
6 | 2150104525 |
7 | 401365244 |
oct | 130525405 |
9 | 47656108 |
10 | 23243525 |
11 | 12136228 |
12 | 794b145 |
13 | 4a7a886 |
14 | 313095b |
15 | 2091e85 |
hex | 162ab05 |
23243525 has 6 divisors (see below), whose sum is σ = 28822002. Its totient is φ = 18594800.
The previous prime is 23243497. The next prime is 23243543. The reversal of 23243525 is 52534232.
It can be written as a sum of positive squares in 3 ways, for example, as 1406596 + 21836929 = 1186^2 + 4673^2 .
It is not a de Polignac number, because 23243525 - 218 = 22981381 is a prime.
It is a super-2 number, since 2×232435252 = 1080522908851250, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23243494 and 23243503.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464846 + ... + 464895.
It is an arithmetic number, because the mean of its divisors is an integer number (4803667).
Almost surely, 223243525 is an apocalyptic number.
23243525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23243525 is a deficient number, since it is larger than the sum of its proper divisors (5578477).
23243525 is an equidigital number, since it uses as much as digits as its factorization.
23243525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 929751 (or 929746 counting only the distinct ones).
The product of its digits is 7200, while the sum is 26.
The square root of 23243525 is about 4821.1539075205. The cubic root of 23243525 is about 285.3868758459.
Adding to 23243525 its reverse (52534232), we get a palindrome (75777757).
The spelling of 23243525 in words is "twenty-three million, two hundred forty-three thousand, five hundred twenty-five".
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