Base | Representation |
---|---|
bin | 10100110000110101000 |
3 | 1021120021112 |
4 | 2212012220 |
5 | 133232420 |
6 | 22325452 |
7 | 5532362 |
oct | 2460650 |
9 | 1246245 |
10 | 680360 |
11 | 42518a |
12 | 289888 |
13 | 1aa8a5 |
14 | 139d32 |
15 | d68c5 |
hex | a61a8 |
680360 has 32 divisors (see below), whose sum is σ = 1558440. Its totient is φ = 267264.
The previous prime is 680353. The next prime is 680377. The reversal of 680360 is 63086.
It can be written as a sum of positive squares in 4 ways, for example, as 470596 + 209764 = 686^2 + 458^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2804 + ... + 3036.
2680360 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 680360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779220).
680360 is an abundant number, since it is smaller than the sum of its proper divisors (878080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680360 is a wasteful number, since it uses less digits than its factorization.
680360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317 (or 313 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 680360 is about 824.8393783034. The cubic root of 680360 is about 87.9521089278.
The spelling of 680360 in words is "six hundred eighty thousand, three hundred sixty".
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