Base | Representation |
---|---|
bin | 101101110010… |
… | …111011010011 |
3 | 211120220212102 |
4 | 231302323103 |
5 | 11033130300 |
6 | 1105151015 |
7 | 204020135 |
oct | 55627323 |
9 | 24526772 |
10 | 12005075 |
11 | 685a655 |
12 | 402b46b |
13 | 26443c4 |
14 | 1847055 |
15 | 10c20d5 |
hex | b72ed3 |
12005075 has 6 divisors (see below), whose sum is σ = 14886324. Its totient is φ = 9604040.
The previous prime is 12005053. The next prime is 12005099. The reversal of 12005075 is 57050021.
It is not a de Polignac number, because 12005075 - 210 = 12004051 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240077 + ... + 240126.
It is an arithmetic number, because the mean of its divisors is an integer number (2481054).
Almost surely, 212005075 is an apocalyptic number.
12005075 is a deficient number, since it is larger than the sum of its proper divisors (2881249).
12005075 is an equidigital number, since it uses as much as digits as its factorization.
12005075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 480213 (or 480208 counting only the distinct ones).
The product of its (nonzero) digits is 350, while the sum is 20.
The square root of 12005075 is about 3464.8340508602. The cubic root of 12005075 is about 228.9751185440.
Adding to 12005075 its reverse (57050021), we get a palindrome (69055096).
The spelling of 12005075 in words is "twelve million, five thousand, seventy-five".
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