Base | Representation |
---|---|
bin | 1110111001000111010 |
3 | 220210101212 |
4 | 1313020322 |
5 | 111103434 |
6 | 14243122 |
7 | 4101503 |
oct | 1671072 |
9 | 823355 |
10 | 487994 |
11 | 303701 |
12 | 1b64a2 |
13 | 141170 |
14 | c9baa |
15 | 998ce |
hex | 7723a |
487994 has 12 divisors (see below), whose sum is σ = 794094. Its totient is φ = 223584.
The previous prime is 487979. The next prime is 487997. The reversal of 487994 is 499784.
It can be written as a sum of positive squares in 3 ways, for example, as 375769 + 112225 = 613^2 + 335^2 .
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 487994.
It is not an unprimeable number, because it can be changed into a prime (487997) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 3494 + ... + 3630.
2487994 is an apocalyptic number.
487994 is a deficient number, since it is larger than the sum of its proper divisors (306100).
487994 is a wasteful number, since it uses less digits than its factorization.
487994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 289 (or 152 counting only the distinct ones).
The product of its digits is 72576, while the sum is 41.
The square root of 487994 is about 698.5656733622. The cubic root of 487994 is about 78.7296209970.
The spelling of 487994 in words is "four hundred eighty-seven thousand, nine hundred ninety-four".
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