Base | Representation |
---|---|
bin | 11110100001001100011101 |
3 | 120001110022212 |
4 | 132201030131 |
5 | 4022002120 |
6 | 443250205 |
7 | 125000306 |
oct | 36411435 |
9 | 16043285 |
10 | 8000285 |
11 | 4574807 |
12 | 2819965 |
13 | 18715c7 |
14 | 10c37ad |
15 | a806c5 |
hex | 7a131d |
8000285 has 8 divisors (see below), whose sum is σ = 10165176. Its totient is φ = 6023680.
The previous prime is 8000261. The next prime is 8000309. The reversal of 8000285 is 5820008.
8000285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (8000261) and next prime (8000309).
It can be written as a sum of positive squares in 4 ways, for example, as 1229881 + 6770404 = 1109^2 + 2602^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8000285 - 26 = 8000221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 8000285.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46976 + ... + 47145.
It is an arithmetic number, because the mean of its divisors is an integer number (1270647).
Almost surely, 28000285 is an apocalyptic number.
8000285 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8000285 is a deficient number, since it is larger than the sum of its proper divisors (2164891).
8000285 is a wasteful number, since it uses less digits than its factorization.
8000285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94143.
The product of its (nonzero) digits is 640, while the sum is 23.
The square root of 8000285 is about 2828.4775056556. The cubic root of 8000285 is about 200.0023749718.
The spelling of 8000285 in words is "eight million, two hundred eighty-five", and thus it is an aban number.
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