Base | Representation |
---|---|
bin | 1110111000011101100 |
3 | 220202221111 |
4 | 1313003230 |
5 | 111101120 |
6 | 14241404 |
7 | 4100515 |
oct | 1670354 |
9 | 822844 |
10 | 487660 |
11 | 303428 |
12 | 1b6264 |
13 | 140c74 |
14 | c9a0c |
15 | 9975a |
hex | 770ec |
487660 has 24 divisors (see below), whose sum is σ = 1053360. Its totient is φ = 189504.
The previous prime is 487657. The next prime is 487681. The reversal of 487660 is 66784.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 1069.
It is an arithmetic number, because the mean of its divisors is an integer number (43890).
2487660 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 487660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526680).
487660 is an abundant number, since it is smaller than the sum of its proper divisors (565700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487660 is a wasteful number, since it uses less digits than its factorization.
487660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 705 (or 703 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 487660 is about 698.3265711685. The cubic root of 487660 is about 78.7116551375.
The spelling of 487660 in words is "four hundred eighty-seven thousand, six hundred sixty".
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