Base | Representation |
---|---|
bin | 111001110101… |
… | …1001111010001 |
3 | 2010001121020201 |
4 | 1303223033101 |
5 | 30230324130 |
6 | 3001535201 |
7 | 515514121 |
oct | 163531721 |
9 | 63047221 |
10 | 30323665 |
11 | 16131689 |
12 | a1a4501 |
13 | 63893c8 |
14 | 4054c81 |
15 | 29debca |
hex | 1ceb3d1 |
30323665 has 8 divisors (see below), whose sum is σ = 38529000. Its totient is φ = 22831872.
The previous prime is 30323659. The next prime is 30323701. The reversal of 30323665 is 56632303.
It can be written as a sum of positive squares in 4 ways, for example, as 12759184 + 17564481 = 3572^2 + 4191^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30323665 - 25 = 30323633 is a prime.
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, 178290 + ... + 178459.
It is an arithmetic number, because the mean of its divisors is an integer number (4816125).
Almost surely, 230323665 is an apocalyptic number.
It is an amenable number.
30323665 is a deficient number, since it is larger than the sum of its proper divisors (8205335).
30323665 is a wasteful number, since it uses less digits than its factorization.
30323665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 356771.
The product of its (nonzero) digits is 9720, while the sum is 28.
The square root of 30323665 is about 5506.6927461045. The cubic root of 30323665 is about 311.8367029814.
Adding to 30323665 its reverse (56632303), we get a palindrome (86955968).
The spelling of 30323665 in words is "thirty million, three hundred twenty-three thousand, six hundred sixty-five".
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