Base | Representation |
---|---|
bin | 1110111000110110111 |
3 | 220210020000 |
4 | 1313012313 |
5 | 111102423 |
6 | 14242343 |
7 | 4101225 |
oct | 1670667 |
9 | 823200 |
10 | 487863 |
11 | 3035a2 |
12 | 1b63b3 |
13 | 14109c |
14 | c9b15 |
15 | 99843 |
hex | 771b7 |
487863 has 20 divisors (see below), whose sum is σ = 769560. Its totient is φ = 307152.
The previous prime is 487843. The next prime is 487873. The reversal of 487863 is 368784.
It is not a de Polignac number, because 487863 - 25 = 487831 is a prime.
It is a nialpdrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1381 + ... + 1697.
It is an arithmetic number, because the mean of its divisors is an integer number (38478).
2487863 is an apocalyptic number.
487863 is a deficient number, since it is larger than the sum of its proper divisors (281697).
487863 is a wasteful number, since it uses less digits than its factorization.
487863 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348 (or 339 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 487863 is about 698.4719035151. The cubic root of 487863 is about 78.7225754846.
The spelling of 487863 in words is "four hundred eighty-seven thousand, eight hundred sixty-three".
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