Base | Representation |
---|---|
bin | 1110110111111011001 |
3 | 220202120022 |
4 | 1312333121 |
5 | 111044020 |
6 | 14240225 |
7 | 4066643 |
oct | 1667731 |
9 | 822508 |
10 | 487385 |
11 | 3031a8 |
12 | 1b6075 |
13 | 140ac2 |
14 | c9893 |
15 | 99625 |
hex | 76fd9 |
487385 has 8 divisors (see below), whose sum is σ = 590976. Its totient is φ = 385840.
The previous prime is 487381. The next prime is 487387. The reversal of 487385 is 583784.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 487385 - 22 = 487381 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (487381) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80 + ... + 990.
It is an arithmetic number, because the mean of its divisors is an integer number (73872).
2487385 is an apocalyptic number.
It is an amenable number.
487385 is a deficient number, since it is larger than the sum of its proper divisors (103591).
487385 is a wasteful number, since it uses less digits than its factorization.
487385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1023.
The product of its digits is 26880, while the sum is 35.
The square root of 487385 is about 698.1296441206. The cubic root of 487385 is about 78.6968567293.
The spelling of 487385 in words is "four hundred eighty-seven thousand, three hundred eighty-five".
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