Base | Representation |
---|---|
bin | 11010100110010… |
… | …11011100100000 |
3 | 120112212020202211 |
4 | 31103023130200 |
5 | 424110201144 |
6 | 34050251504 |
7 | 5346404635 |
oct | 1523133440 |
9 | 515766684 |
10 | 223131424 |
11 | 104a51a3a |
12 | 62886b94 |
13 | 372c5b39 |
14 | 218c418c |
15 | 148c8034 |
hex | d4cb720 |
223131424 has 24 divisors (see below), whose sum is σ = 440536320. Its totient is φ = 111249216.
The previous prime is 223131413. The next prime is 223131457. The reversal of 223131424 is 424131322.
It is a super-3 number, since 3×2231314243 (a number of 26 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 223131395 and 223131404.
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 in 3 ways as a sum of consecutive naturals, for example, 1777 + ... + 21199.
It is an arithmetic number, because the mean of its divisors is an integer number (18355680).
Almost surely, 2223131424 is an apocalyptic number.
It is an amenable number.
223131424 is a deficient number, since it is larger than the sum of its proper divisors (217404896).
223131424 is a wasteful number, since it uses less digits than its factorization.
223131424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19792 (or 19784 counting only the distinct ones).
The product of its digits is 1152, while the sum is 22.
The square root of 223131424 is about 14937.5842759129. The cubic root of 223131424 is about 606.5318048787.
Adding to 223131424 its reverse (424131322), we get a palindrome (647262746).
The spelling of 223131424 in words is "two hundred twenty-three million, one hundred thirty-one thousand, four hundred twenty-four".
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