Base | Representation |
---|---|
bin | 1011111101001000100001 |
3 | 12220020000112 |
4 | 23331020201 |
5 | 1300241420 |
6 | 151101105 |
7 | 35431661 |
oct | 13751041 |
9 | 5806015 |
10 | 3133985 |
11 | 1850678 |
12 | 1071795 |
13 | 85963a |
14 | 5b81a1 |
15 | 41d8c5 |
hex | 2fd221 |
3133985 has 4 divisors (see below), whose sum is σ = 3760788. Its totient is φ = 2507184.
The previous prime is 3133961. The next prime is 3133987. The reversal of 3133985 is 5893313.
3133985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1014049 + 2119936 = 1007^2 + 1456^2 .
It is a cyclic number.
It is not a de Polignac number, because 3133985 - 214 = 3117601 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3133987) 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 3 ways as a sum of consecutive naturals, for example, 313394 + ... + 313403.
It is an arithmetic number, because the mean of its divisors is an integer number (940197).
Almost surely, 23133985 is an apocalyptic number.
It is an amenable number.
3133985 is a deficient number, since it is larger than the sum of its proper divisors (626803).
3133985 is an equidigital number, since it uses as much as digits as its factorization.
3133985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 626802.
The product of its digits is 9720, while the sum is 32.
The square root of 3133985 is about 1770.3064706429. The cubic root of 3133985 is about 146.3408717648.
The spelling of 3133985 in words is "three million, one hundred thirty-three thousand, nine hundred eighty-five".
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