Base | Representation |
---|---|
bin | 10100111010100100000 |
3 | 1021211010010 |
4 | 2213110200 |
5 | 133412334 |
6 | 22404520 |
7 | 5553042 |
oct | 2472440 |
9 | 1254103 |
10 | 685344 |
11 | 428a00 |
12 | 290740 |
13 | 1acc3a |
14 | 13ba92 |
15 | d80e9 |
hex | a7520 |
685344 has 72 divisors (see below), whose sum is σ = 2010960. Its totient is φ = 204160.
The previous prime is 685339. The next prime is 685361. The reversal of 685344 is 443586.
It is a nialpdrome in base 16.
It is an unprimeable number.
685344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11587 + ... + 11645.
It is an arithmetic number, because the mean of its divisors is an integer number (27930).
2685344 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 685344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005480).
685344 is an abundant number, since it is smaller than the sum of its proper divisors (1325616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
685344 is a wasteful number, since it uses less digits than its factorization.
685344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94 (or 75 counting only the distinct ones).
The product of its digits is 11520, while the sum is 30.
The square root of 685344 is about 827.8550597780. The cubic root of 685344 is about 88.1663520027.
The spelling of 685344 in words is "six hundred eighty-five thousand, three hundred forty-four".
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