Base | Representation |
---|---|
bin | 11111101000001010101001 |
3 | 120121020002112 |
4 | 133220022221 |
5 | 4110302420 |
6 | 453412105 |
7 | 130320653 |
oct | 37501251 |
9 | 16536075 |
10 | 8290985 |
11 | 475315a |
12 | 293a035 |
13 | 1943a11 |
14 | 115b6d3 |
15 | adb8c5 |
hex | 7e82a9 |
8290985 has 16 divisors (see below), whose sum is σ = 10647936. Its totient is φ = 6175488.
The previous prime is 8290967. The next prime is 8290987. The reversal of 8290985 is 5890928.
It is a happy number.
8290985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8290985 - 26 = 8290921 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8290987) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8282 + ... + 9228.
It is an arithmetic number, because the mean of its divisors is an integer number (665496).
Almost surely, 28290985 is an apocalyptic number.
8290985 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8290985 is a deficient number, since it is larger than the sum of its proper divisors (2356951).
8290985 is a wasteful number, since it uses less digits than its factorization.
8290985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1072.
The product of its (nonzero) digits is 51840, while the sum is 41.
The square root of 8290985 is about 2879.4070570171. The cubic root of 8290985 is about 202.3960549701.
The spelling of 8290985 in words is "eight million, two hundred ninety thousand, nine hundred eighty-five".
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