Base | Representation |
---|---|
bin | 100000011001… |
… | …101100111101 |
3 | 120222112102100 |
4 | 200121230331 |
5 | 4133301020 |
6 | 502015313 |
7 | 132124341 |
oct | 40315475 |
9 | 16875370 |
10 | 8493885 |
11 | 4881644 |
12 | 2a17539 |
13 | 19b518a |
14 | 11b1621 |
15 | b2ba90 |
hex | 819b3d |
8493885 has 12 divisors (see below), whose sum is σ = 14722812. Its totient is φ = 4530048.
The previous prime is 8493883. The next prime is 8493899. The reversal of 8493885 is 5883948.
8493885 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 3944196 + 4549689 = 1986^2 + 2133^2 .
It is not a de Polignac number, because 8493885 - 21 = 8493883 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 188753 = 8493885 / (8 + 4 + 9 + 3 + 8 + 8 + 5).
8493885 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 8493885.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8493883) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94332 + ... + 94421.
It is an arithmetic number, because the mean of its divisors is an integer number (1226901).
Almost surely, 28493885 is an apocalyptic number.
It is an amenable number.
8493885 is a deficient number, since it is larger than the sum of its proper divisors (6228927).
8493885 is a wasteful number, since it uses less digits than its factorization.
8493885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188764 (or 188761 counting only the distinct ones).
The product of its digits is 276480, while the sum is 45.
The square root of 8493885 is about 2914.4270448924. The cubic root of 8493885 is about 204.0338035102.
The spelling of 8493885 in words is "eight million, four hundred ninety-three thousand, eight hundred eighty-five".
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