Base | Representation |
---|---|
bin | 11011011101001… |
… | …11010101000101 |
3 | 121001101122110221 |
4 | 31232213111011 |
5 | 432430323100 |
6 | 34504344341 |
7 | 5464501105 |
oct | 1556472505 |
9 | 531348427 |
10 | 230323525 |
11 | 109014523 |
12 | 651750b1 |
13 | 38943613 |
14 | 22837205 |
15 | 1534901a |
hex | dba7545 |
230323525 has 12 divisors (see below), whose sum is σ = 286274212. Its totient is φ = 183824640.
The previous prime is 230323519. The next prime is 230323537. The reversal of 230323525 is 525323032.
It can be written as a sum of positive squares in 6 ways, for example, as 83210884 + 147112641 = 9122^2 + 12129^2 .
It is not a de Polignac number, because 230323525 - 219 = 229799237 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230323525.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187 + ... + 21463.
Almost surely, 2230323525 is an apocalyptic number.
230323525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
230323525 is a deficient number, since it is larger than the sum of its proper divisors (55950687).
230323525 is a wasteful number, since it uses less digits than its factorization.
230323525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21720 (or 21715 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 25.
The square root of 230323525 is about 15176.4134432349. The cubic root of 230323525 is about 612.9797102679.
Adding to 230323525 its reverse (525323032), we get a palindrome (755646557).
The spelling of 230323525 in words is "two hundred thirty million, three hundred twenty-three thousand, five hundred twenty-five".
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