Base | Representation |
---|---|
bin | 1111100101010101011111 |
3 | 21200112200112 |
4 | 33211111133 |
5 | 2021210322 |
6 | 223320235 |
7 | 46502606 |
oct | 17452537 |
9 | 7615615 |
10 | 4085087 |
11 | 2340206 |
12 | 145007b |
13 | b00516 |
14 | 784a3d |
15 | 55a5e2 |
hex | 3e555f |
4085087 has 4 divisors (see below), whose sum is σ = 4216896. Its totient is φ = 3953280.
The previous prime is 4085069. The next prime is 4085089. The reversal of 4085087 is 7805804.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 4085087 - 220 = 3036511 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4085089) 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, 65858 + ... + 65919.
It is an arithmetic number, because the mean of its divisors is an integer number (1054224).
Almost surely, 24085087 is an apocalyptic number.
4085087 is a deficient number, since it is larger than the sum of its proper divisors (131809).
4085087 is a wasteful number, since it uses less digits than its factorization.
4085087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131808.
The product of its (nonzero) digits is 8960, while the sum is 32.
The square root of 4085087 is about 2021.1598155515. The cubic root of 4085087 is about 159.8577772626.
The spelling of 4085087 in words is "four million, eighty-five thousand, eighty-seven".
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