Base | Representation |
---|---|
bin | 11010100110011… |
… | …10100011010000 |
3 | 120112212220012221 |
4 | 31103032203100 |
5 | 424111103034 |
6 | 34050430424 |
7 | 5346460006 |
oct | 1523164320 |
9 | 515786187 |
10 | 223144144 |
11 | 104a60553 |
12 | 62892414 |
13 | 372cb872 |
14 | 218c8a76 |
15 | 148cbbb4 |
hex | d4ce8d0 |
223144144 has 20 divisors (see below), whose sum is σ = 436542496. Its totient is φ = 110488032.
The previous prime is 223144133. The next prime is 223144147. The reversal of 223144144 is 441441322.
It is a super-3 number, since 3×2231441443 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223144147) by changing a digit.
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 in 3 ways as a sum of consecutive naturals, for example, 66054 + ... + 69349.
Almost surely, 2223144144 is an apocalyptic number.
It is an amenable number.
223144144 is a deficient number, since it is larger than the sum of its proper divisors (213398352).
223144144 is a wasteful number, since it uses less digits than its factorization.
223144144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135514 (or 135508 counting only the distinct ones).
The product of its digits is 3072, while the sum is 25.
The square root of 223144144 is about 14938.0100415015. The cubic root of 223144144 is about 606.5433301312.
Adding to 223144144 its reverse (441441322), we get a palindrome (664585466).
The spelling of 223144144 in words is "two hundred twenty-three million, one hundred forty-four thousand, one hundred forty-four".
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