Base | Representation |
---|---|
bin | 11110001000001010000 |
3 | 1212011012120 |
4 | 3301001100 |
5 | 223042331 |
6 | 33054240 |
7 | 11251116 |
oct | 3610120 |
9 | 1764176 |
10 | 987216 |
11 | 61478a |
12 | 3b7380 |
13 | 287469 |
14 | 1b9ab6 |
15 | 147796 |
hex | f1050 |
987216 has 40 divisors (see below), whose sum is σ = 2586144. Its totient is φ = 324480.
The previous prime is 987211. The next prime is 987227. The reversal of 987216 is 612789.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987216.
It is not an unprimeable number, because it can be changed into a prime (987211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6210 + ... + 6366.
2987216 is an apocalyptic number.
It is an amenable number.
987216 is an abundant number, since it is smaller than the sum of its proper divisors (1598928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
987216 is a wasteful number, since it uses less digits than its factorization.
987216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 299 (or 293 counting only the distinct ones).
The product of its digits is 6048, while the sum is 33.
The square root of 987216 is about 993.5874395341. The cubic root of 987216 is about 99.5720377626.
The spelling of 987216 in words is "nine hundred eighty-seven thousand, two hundred sixteen".
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