Base | Representation |
---|---|
bin | 11010100101100… |
… | …10111100000010 |
3 | 120112200011001222 |
4 | 31102302330002 |
5 | 424043443132 |
6 | 34044155042 |
7 | 5345506163 |
oct | 1522627402 |
9 | 515604058 |
10 | 223031042 |
11 | 104993583 |
12 | 62838a82 |
13 | 3728c240 |
14 | 2189976a |
15 | 148a8412 |
hex | d4b2f02 |
223031042 has 16 divisors (see below), whose sum is σ = 370019832. Its totient is φ = 100154880.
The previous prime is 223030991. The next prime is 223031057. The reversal of 223031042 is 240130322.
223031042 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 4 ways, for example, as 216119401 + 6911641 = 14701^2 + 2629^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 223031042.
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 7 ways as a sum of consecutive naturals, for example, 114959 + ... + 116882.
Almost surely, 2223031042 is an apocalyptic number.
223031042 is a deficient number, since it is larger than the sum of its proper divisors (146988790).
223031042 is a wasteful number, since it uses less digits than its factorization.
223031042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 231893.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 223031042 is about 14934.2238499361. The cubic root of 223031042 is about 606.4408360570.
Adding to 223031042 its reverse (240130322), we get a palindrome (463161364).
The spelling of 223031042 in words is "two hundred twenty-three million, thirty-one thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •