Base | Representation |
---|---|
bin | 111001110110… |
… | …0111100010110 |
3 | 2010001221211021 |
4 | 1303230330112 |
5 | 30231040041 |
6 | 3002031354 |
7 | 515543353 |
oct | 163547426 |
9 | 63057737 |
10 | 30330646 |
11 | 16136955 |
12 | a1a855a |
13 | 638c638 |
14 | 405762a |
15 | 29e1cd1 |
hex | 1cecf16 |
30330646 has 8 divisors (see below), whose sum is σ = 45566784. Its totient is φ = 15141720.
The previous prime is 30330571. The next prime is 30330647. The reversal of 30330646 is 64603303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30330646.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30330647) 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, 10150 + ... + 12793.
It is an arithmetic number, because the mean of its divisors is an integer number (5695848).
Almost surely, 230330646 is an apocalyptic number.
30330646 is a deficient number, since it is larger than the sum of its proper divisors (15236138).
30330646 is a wasteful number, since it uses less digits than its factorization.
30330646 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23606.
The product of its (nonzero) digits is 3888, while the sum is 25.
The square root of 30330646 is about 5507.3265746640. The cubic root of 30330646 is about 311.8606311025.
Adding to 30330646 its reverse (64603303), we get a palindrome (94933949).
It can be divided in two parts, 30330 and 646, that added together give a square (30976 = 1762).
The spelling of 30330646 in words is "thirty million, three hundred thirty thousand, six hundred forty-six".
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