Base | Representation |
---|---|
bin | 100100101010111… |
… | …0000011100011110 |
3 | 10011202021211200002 |
4 | 1021111300130132 |
5 | 10004443041342 |
6 | 322032334302 |
7 | 42330366164 |
oct | 11125603436 |
9 | 3152254602 |
10 | 1230440222 |
11 | 581607a50 |
12 | 2a40a4392 |
13 | 167bc194b |
14 | b95b5234 |
15 | 7304ed32 |
hex | 4957071e |
1230440222 has 8 divisors (see below), whose sum is σ = 2013447672. Its totient is φ = 559291000.
The previous prime is 1230440149. The next prime is 1230440257. The reversal of 1230440222 is 2220440321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1230440194 and 1230440203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27964529 + ... + 27964572.
It is an arithmetic number, because the mean of its divisors is an integer number (251680959).
Almost surely, 21230440222 is an apocalyptic number.
1230440222 is a deficient number, since it is larger than the sum of its proper divisors (783007450).
1230440222 is a wasteful number, since it uses less digits than its factorization.
1230440222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55929114.
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 1230440222 is about 35077.6313624509. The cubic root of 1230440222 is about 1071.5690788395.
Adding to 1230440222 its reverse (2220440321), we get a palindrome (3450880543).
Subtracting 1230440222 from its reverse (2220440321), we obtain a palindrome (990000099).
The spelling of 1230440222 in words is "one billion, two hundred thirty million, four hundred forty thousand, two hundred twenty-two".
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