Base | Representation |
---|---|
bin | 111001001110… |
… | …1001111110011 |
3 | 2002110101001002 |
4 | 1302131033303 |
5 | 30140113321 |
6 | 2551032215 |
7 | 513013556 |
oct | 162351763 |
9 | 62411032 |
10 | 30004211 |
11 | 15a33676 |
12 | a06b66b |
13 | 62a6b93 |
14 | 3db069d |
15 | 297a20b |
hex | 1c9d3f3 |
30004211 has 4 divisors (see below), whose sum is σ = 31583400. Its totient is φ = 28425024.
The previous prime is 30004207. The next prime is 30004223. The reversal of 30004211 is 11240003.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30004211 - 22 = 30004207 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30004192 and 30004201.
It is not an unprimeable number, because it can be changed into a prime (30004231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789566 + ... + 789603.
It is an arithmetic number, because the mean of its divisors is an integer number (7895850).
Almost surely, 230004211 is an apocalyptic number.
30004211 is a deficient number, since it is larger than the sum of its proper divisors (1579189).
30004211 is a wasteful number, since it uses less digits than its factorization.
30004211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1579188.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 30004211 is about 5477.6099715113. The cubic root of 30004211 is about 310.7377883109.
Adding to 30004211 its reverse (11240003), we get a palindrome (41244214).
The spelling of 30004211 in words is "thirty million, four thousand, two hundred eleven".
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