Base | Representation |
---|---|
bin | 11010100001010… |
… | …01101101001010 |
3 | 120111121121000022 |
4 | 31100221231022 |
5 | 423423001223 |
6 | 34024140442 |
7 | 5340645326 |
oct | 1520515512 |
9 | 514547008 |
10 | 222468938 |
11 | 10463a22a |
12 | 62607722 |
13 | 37123433 |
14 | 21790986 |
15 | 147e6ac8 |
hex | d429b4a |
222468938 has 16 divisors (see below), whose sum is σ = 343417704. Its totient is φ = 108008640.
The previous prime is 222468937. The next prime is 222468941. The reversal of 222468938 is 839864222.
It can be written as a sum of positive squares in 4 ways, for example, as 221801449 + 667489 = 14893^2 + 817^2 .
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (222468937) 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 7 ways as a sum of consecutive naturals, for example, 37256 + ... + 42812.
Almost surely, 2222468938 is an apocalyptic number.
222468938 is a deficient number, since it is larger than the sum of its proper divisors (120948766).
222468938 is a wasteful number, since it uses less digits than its factorization.
222468938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6137.
The product of its digits is 331776, while the sum is 44.
The square root of 222468938 is about 14915.3926532291. The cubic root of 222468938 is about 605.9309375344.
The spelling of 222468938 in words is "two hundred twenty-two million, four hundred sixty-eight thousand, nine hundred thirty-eight".
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