Base | Representation |
---|---|
bin | 111001001110… |
… | …1001111111011 |
3 | 2002110101001101 |
4 | 1302131033323 |
5 | 30140113334 |
6 | 2551032231 |
7 | 513013600 |
oct | 162351773 |
9 | 62411041 |
10 | 30004219 |
11 | 15a33683 |
12 | a06b677 |
13 | 62a6b9b |
14 | 3db06a7 |
15 | 297a214 |
hex | 1c9d3fb |
30004219 has 6 divisors (see below), whose sum is σ = 34902924. Its totient is φ = 25717860.
The previous prime is 30004207. The next prime is 30004223. The reversal of 30004219 is 91240003.
It is not a de Polignac number, because 30004219 - 213 = 29996027 is a prime.
It is a super-2 number, since 2×300042192 = 1800506315599922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30004196 and 30004205.
It is not an unprimeable number, because it can be changed into a prime (30004319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306117 + ... + 306214.
It is an arithmetic number, because the mean of its divisors is an integer number (5817154).
Almost surely, 230004219 is an apocalyptic number.
30004219 is the 3163-rd hex number.
30004219 is a deficient number, since it is larger than the sum of its proper divisors (4898705).
30004219 is an equidigital number, since it uses as much as digits as its factorization.
30004219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 612345 (or 612338 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 30004219 is about 5477.6107017567. The cubic root of 30004219 is about 310.7378159281.
The spelling of 30004219 in words is "thirty million, four thousand, two hundred nineteen".
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