Base | Representation |
---|---|
bin | 10100110010000010110 |
3 | 1021121010120 |
4 | 2212100112 |
5 | 133242412 |
6 | 22332410 |
7 | 5534241 |
oct | 2462026 |
9 | 1247116 |
10 | 680982 |
11 | 4256a5 |
12 | 28a106 |
13 | 1aac63 |
14 | 13a258 |
15 | d6b8c |
hex | a6416 |
680982 has 8 divisors (see below), whose sum is σ = 1361976. Its totient is φ = 226992.
The previous prime is 680971. The next prime is 680987. The reversal of 680982 is 289086.
It is a sphenic number, since it is the product of 3 distinct primes.
680982 is an admirable number.
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 680982.
It is not an unprimeable number, because it can be changed into a prime (680987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56743 + ... + 56754.
It is an arithmetic number, because the mean of its divisors is an integer number (170247).
2680982 is an apocalyptic number.
680982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680982 is a wasteful number, since it uses less digits than its factorization.
680982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113502.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 680982 is about 825.2163352722. The cubic root of 680982 is about 87.9789033450.
The spelling of 680982 in words is "six hundred eighty thousand, nine hundred eighty-two".
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