Base | Representation |
---|---|
bin | 10011101100011… |
… | …101001010000001 |
3 | 212000202010012211 |
4 | 103230131022001 |
5 | 1134041431430 |
6 | 52442022121 |
7 | 11121350065 |
oct | 2354351201 |
9 | 760663184 |
10 | 330420865 |
11 | 15a5720a5 |
12 | 927a7941 |
13 | 535bc508 |
14 | 31c51aa5 |
15 | 1e01c72a |
hex | 13b1d281 |
330420865 has 8 divisors (see below), whose sum is σ = 402090048. Its totient is φ = 260613360.
The previous prime is 330420863. The next prime is 330420899. The reversal of 330420865 is 568024033.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 330420865 - 21 = 330420863 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (330420863) 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 7 ways as a sum of consecutive naturals, for example, 465027 + ... + 465736.
It is an arithmetic number, because the mean of its divisors is an integer number (50261256).
Almost surely, 2330420865 is an apocalyptic number.
It is an amenable number.
330420865 is a deficient number, since it is larger than the sum of its proper divisors (71669183).
330420865 is an equidigital number, since it uses as much as digits as its factorization.
330420865 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 930839.
The product of its (nonzero) digits is 17280, while the sum is 31.
The square root of 330420865 is about 18177.4823614273. The cubic root of 330420865 is about 691.3359714616.
Adding to 330420865 its reverse (568024033), we get a palindrome (898444898).
The spelling of 330420865 in words is "three hundred thirty million, four hundred twenty thousand, eight hundred sixty-five".
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