Base | Representation |
---|---|
bin | 11010101000100… |
… | …00000011011010 |
3 | 120120101112020220 |
4 | 31110100003122 |
5 | 424143144232 |
6 | 34100300510 |
7 | 5351655141 |
oct | 1524200332 |
9 | 516345226 |
10 | 223412442 |
11 | 105124090 |
12 | 629a1736 |
13 | 37393a16 |
14 | 21958758 |
15 | 1493142c |
hex | d5100da |
223412442 has 32 divisors (see below), whose sum is σ = 488424384. Its totient is φ = 67564800.
The previous prime is 223412417. The next prime is 223412447. The reversal of 223412442 is 244214322.
223412442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (223412447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32578 + ... + 38834.
It is an arithmetic number, because the mean of its divisors is an integer number (15263262).
Almost surely, 2223412442 is an apocalyptic number.
223412442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
223412442 is an abundant number, since it is smaller than the sum of its proper divisors (265011942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223412442 is a wasteful number, since it uses less digits than its factorization.
223412442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6814.
The product of its digits is 3072, while the sum is 24.
The square root of 223412442 is about 14946.9877232839. The cubic root of 223412442 is about 606.7863258045.
Adding to 223412442 its reverse (244214322), we get a palindrome (467626764).
The spelling of 223412442 in words is "two hundred twenty-three million, four hundred twelve thousand, four hundred forty-two".
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