Base | Representation |
---|---|
bin | 11100111110010… |
… | …00101110011110 |
3 | 121221022212122010 |
4 | 32133020232132 |
5 | 444204340410 |
6 | 40041132050 |
7 | 6010555563 |
oct | 1637105636 |
9 | 557285563 |
10 | 243043230 |
11 | 115211a81 |
12 | 6948a026 |
13 | 3b478081 |
14 | 243c886a |
15 | 1650cc20 |
hex | e7c8b9e |
243043230 has 32 divisors (see below), whose sum is σ = 585385344. Its totient is φ = 64580256.
The previous prime is 243043223. The next prime is 243043249. The reversal of 243043230 is 32340342.
It is a junction number, because it is equal to n+sod(n) for n = 243043197 and 243043206.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5824 + ... + 22803.
It is an arithmetic number, because the mean of its divisors is an integer number (18293292).
Almost surely, 2243043230 is an apocalyptic number.
243043230 is an abundant number, since it is smaller than the sum of its proper divisors (342342114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243043230 is a wasteful number, since it uses less digits than its factorization.
243043230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28920.
The product of its (nonzero) digits is 1728, while the sum is 21.
The square root of 243043230 is about 15589.8438093523. The cubic root of 243043230 is about 624.0621496694.
Adding to 243043230 its reverse (32340342), we get a palindrome (275383572).
The spelling of 243043230 in words is "two hundred forty-three million, forty-three thousand, two hundred thirty".
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