Base | Representation |
---|---|
bin | 11010100001000… |
… | …00001110101000 |
3 | 120111112121202121 |
4 | 31100200032220 |
5 | 423420230440 |
6 | 34023241024 |
7 | 5340424213 |
oct | 1520401650 |
9 | 514477677 |
10 | 222430120 |
11 | 104613050 |
12 | 625a9174 |
13 | 3710b873 |
14 | 2178077a |
15 | 147da34a |
hex | d4203a8 |
222430120 has 32 divisors (see below), whose sum is σ = 545965920. Its totient is φ = 80883520.
The previous prime is 222430073. The next prime is 222430129. The reversal of 222430120 is 21034222.
It is a junction number, because it is equal to n+sod(n) for n = 222430094 and 222430103.
It is not an unprimeable number, because it can be changed into a prime (222430129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252322 + ... + 253201.
It is an arithmetic number, because the mean of its divisors is an integer number (17061435).
Almost surely, 2222430120 is an apocalyptic number.
222430120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
222430120 is an abundant number, since it is smaller than the sum of its proper divisors (323535800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222430120 is a wasteful number, since it uses less digits than its factorization.
222430120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505545 (or 505541 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 222430120 is about 14914.0913233090. The cubic root of 222430120 is about 605.8956930706.
Adding to 222430120 its reverse (21034222), we get a palindrome (243464342).
The spelling of 222430120 in words is "two hundred twenty-two million, four hundred thirty thousand, one hundred twenty".
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