Base | Representation |
---|---|
bin | 10100110000100001100 |
3 | 1021120001202 |
4 | 2212010030 |
5 | 133231304 |
6 | 22325032 |
7 | 5532050 |
oct | 2460414 |
9 | 1246052 |
10 | 680204 |
11 | 425058 |
12 | 289778 |
13 | 1aa7b5 |
14 | 139c60 |
15 | d681e |
hex | a610c |
680204 has 24 divisors (see below), whose sum is σ = 1441440. Its totient is φ = 274176.
The previous prime is 680203. The next prime is 680209. The reversal of 680204 is 402086.
680204 is a modest number, since divided by 204 gives 68 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680203) 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, 239 + ... + 1190.
It is an arithmetic number, because the mean of its divisors is an integer number (60060).
2680204 is an apocalyptic number.
It is an amenable number.
680204 is an abundant number, since it is smaller than the sum of its proper divisors (761236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680204 is a wasteful number, since it uses less digits than its factorization.
680204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 680204 is about 824.7448090167. The cubic root of 680204 is about 87.9453862233.
The spelling of 680204 in words is "six hundred eighty thousand, two hundred four".
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