Base | Representation |
---|---|
bin | 11010101011010… |
… | …10110100100000 |
3 | 120121002102020121 |
4 | 31111222310200 |
5 | 424242043344 |
6 | 34112250024 |
7 | 5355064066 |
oct | 1525526440 |
9 | 517072217 |
10 | 223784224 |
11 | 105358444 |
12 | 62b40914 |
13 | 37494001 |
14 | 21a14036 |
15 | 149a6684 |
hex | d56ad20 |
223784224 has 12 divisors (see below), whose sum is σ = 440575254. Its totient is φ = 111892096.
The previous prime is 223784207. The next prime is 223784263. The reversal of 223784224 is 422487322.
223784224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 222010000 + 1774224 = 14900^2 + 1332^2 .
It is a super-2 number, since 2×2237842242 = 100158757822564352, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 223784224.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3496597 + ... + 3496660.
Almost surely, 2223784224 is an apocalyptic number.
It is an amenable number.
223784224 is a deficient number, since it is larger than the sum of its proper divisors (216791030).
223784224 is an equidigital number, since it uses as much as digits as its factorization.
223784224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6993267 (or 6993259 counting only the distinct ones).
The product of its digits is 43008, while the sum is 34.
The square root of 223784224 is about 14959.4192400641. The cubic root of 223784224 is about 607.1227248740.
The spelling of 223784224 in words is "two hundred twenty-three million, seven hundred eighty-four thousand, two hundred twenty-four".
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