Base | Representation |
---|---|
bin | 11010101011101… |
… | …10000011100011 |
3 | 120121011202101000 |
4 | 31111312003203 |
5 | 424300031433 |
6 | 34113243043 |
7 | 5355345210 |
oct | 1525660343 |
9 | 517152330 |
10 | 223830243 |
11 | 105389a7a |
12 | 62b63483 |
13 | 374abc40 |
14 | 21a26b07 |
15 | 149b5113 |
hex | d5760e3 |
223830243 has 32 divisors (see below), whose sum is σ = 408128000. Its totient is φ = 118063008.
The previous prime is 223830223. The next prime is 223830253. The reversal of 223830243 is 342038322.
It is not a de Polignac number, because 223830243 - 28 = 223829987 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (223830223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43093 + ... + 48006.
It is an arithmetic number, because the mean of its divisors is an integer number (12754000).
Almost surely, 2223830243 is an apocalyptic number.
223830243 is a deficient number, since it is larger than the sum of its proper divisors (184297757).
223830243 is a wasteful number, since it uses less digits than its factorization.
223830243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91128 (or 91122 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
The square root of 223830243 is about 14960.9572888903. The cubic root of 223830243 is about 607.1643382718.
Adding to 223830243 its reverse (342038322), we get a palindrome (565868565).
The spelling of 223830243 in words is "two hundred twenty-three million, eight hundred thirty thousand, two hundred forty-three".
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