Base | Representation |
---|---|
bin | 101110101001… |
… | …110110000011 |
3 | 212000100102200 |
4 | 232221312003 |
5 | 11112330034 |
6 | 1114044243 |
7 | 205645014 |
oct | 56516603 |
9 | 25010380 |
10 | 12230019 |
11 | 69a365a |
12 | 4119683 |
13 | 26c28c9 |
14 | 18a500b |
15 | 1118a99 |
hex | ba9d83 |
12230019 has 6 divisors (see below), whose sum is σ = 17665596. Its totient is φ = 8153340.
The previous prime is 12230003. The next prime is 12230041. The reversal of 12230019 is 91003221.
It is a happy number.
It is not a de Polignac number, because 12230019 - 24 = 12230003 is a prime.
It is a super-2 number, since 2×122300192 = 299146729480722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12229983 and 12230010.
It is not an unprimeable number, because it can be changed into a prime (12230059) 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 5 ways as a sum of consecutive naturals, for example, 679437 + ... + 679454.
It is an arithmetic number, because the mean of its divisors is an integer number (2944266).
Almost surely, 212230019 is an apocalyptic number.
12230019 is a deficient number, since it is larger than the sum of its proper divisors (5435577).
12230019 is a wasteful number, since it uses less digits than its factorization.
12230019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1358897 (or 1358894 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 12230019 is about 3497.1444065123. The cubic root of 12230019 is about 230.3964115290.
The spelling of 12230019 in words is "twelve million, two hundred thirty thousand, nineteen".
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