Base | Representation |
---|---|
bin | 101000100101110111001 |
3 | 2111120120011 |
4 | 11010232321 |
5 | 320030410 |
6 | 44301521 |
7 | 14206600 |
oct | 5045671 |
9 | 2446504 |
10 | 1330105 |
11 | 829367 |
12 | 5418a1 |
13 | 37755a |
14 | 268a37 |
15 | 1b418a |
hex | 144bb9 |
1330105 has 24 divisors (see below), whose sum is σ = 1908360. Its totient is φ = 887040.
The previous prime is 1330103. The next prime is 1330111. The reversal of 1330105 is 5010331.
It can be written as a sum of positive squares in 4 ways, for example, as 28224 + 1301881 = 168^2 + 1141^2 .
It is not a de Polignac number, because 1330105 - 21 = 1330103 is a prime.
It is a super-2 number, since 2×13301052 = 3538358622050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1330103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14901 + ... + 14989.
It is an arithmetic number, because the mean of its divisors is an integer number (79515).
21330105 is an apocalyptic number.
It is an amenable number.
1330105 is a deficient number, since it is larger than the sum of its proper divisors (578255).
1330105 is an equidigital number, since it uses as much as digits as its factorization.
1330105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169 (or 162 counting only the distinct ones).
The product of its (nonzero) digits is 45, while the sum is 13.
The square root of 1330105 is about 1153.3017818420. The cubic root of 1330105 is about 109.9753388242.
Adding to 1330105 its reverse (5010331), we get a palindrome (6340436).
The spelling of 1330105 in words is "one million, three hundred thirty thousand, one hundred five".
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