Base | Representation |
---|---|
bin | 10001000101111111101101 |
3 | 22102122210011 |
4 | 101011333231 |
5 | 2121343010 |
6 | 240013221 |
7 | 53042104 |
oct | 21057755 |
9 | 8378704 |
10 | 4481005 |
11 | 2590711 |
12 | 1601211 |
13 | c0b7a9 |
14 | 84903b |
15 | 5d7a8a |
hex | 445fed |
4481005 has 4 divisors (see below), whose sum is σ = 5377212. Its totient is φ = 3584800.
The previous prime is 4481003. The next prime is 4481041. The reversal of 4481005 is 5001844.
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 1990921 + 2490084 = 1411^2 + 1578^2 .
It is not a de Polignac number, because 4481005 - 21 = 4481003 is a prime.
It is a Duffinian number.
4481005 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4481003) 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, 448096 + ... + 448105.
It is an arithmetic number, because the mean of its divisors is an integer number (1344303).
Almost surely, 24481005 is an apocalyptic number.
It is an amenable number.
4481005 is a deficient number, since it is larger than the sum of its proper divisors (896207).
4481005 is an equidigital number, since it uses as much as digits as its factorization.
4481005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 896206.
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 4481005 is about 2116.8384444733. The cubic root of 4481005 is about 164.8637381294.
Adding to 4481005 its reverse (5001844), we get a palindrome (9482849).
The spelling of 4481005 in words is "four million, four hundred eighty-one thousand, five".
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