Base | Representation |
---|---|
bin | 100100101010011… |
… | …1011000001101110 |
3 | 10011201212201112101 |
4 | 1021110323001232 |
5 | 10004414041142 |
6 | 322023525314 |
7 | 42325465243 |
oct | 11124730156 |
9 | 3151781471 |
10 | 1230221422 |
11 | 581478621 |
12 | 2a3bb983a |
13 | 167b46191 |
14 | b95595ca |
15 | 7300a0b7 |
hex | 4953b06e |
1230221422 has 16 divisors (see below), whose sum is σ = 2016911232. Its totient is φ = 560252160.
The previous prime is 1230221407. The next prime is 1230221431. The reversal of 1230221422 is 2241220321.
It is a self number, because there is not a number n which added to its sum of digits gives 1230221422.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582543 + ... + 584650.
It is an arithmetic number, because the mean of its divisors is an integer number (126056952).
Almost surely, 21230221422 is an apocalyptic number.
1230221422 is a deficient number, since it is larger than the sum of its proper divisors (786689810).
1230221422 is a wasteful number, since it uses less digits than its factorization.
1230221422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1167243.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 1230221422 is about 35074.5124271172. The cubic root of 1230221422 is about 1071.5055586974.
Adding to 1230221422 its reverse (2241220321), we get a palindrome (3471441743).
The spelling of 1230221422 in words is "one billion, two hundred thirty million, two hundred twenty-one thousand, four hundred twenty-two".
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