Base | Representation |
---|---|
bin | 10100111000111001110 |
3 | 1021202221122 |
4 | 2213013032 |
5 | 133400434 |
6 | 22400542 |
7 | 5550416 |
oct | 2470716 |
9 | 1252848 |
10 | 684494 |
11 | 4282a8 |
12 | 290152 |
13 | 1ac735 |
14 | 13b646 |
15 | d7c2e |
hex | a71ce |
684494 has 8 divisors (see below), whose sum is σ = 1080840. Its totient is φ = 324216.
The previous prime is 684493. The next prime is 684527. The reversal of 684494 is 494486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (684493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8969 + ... + 9044.
It is an arithmetic number, because the mean of its divisors is an integer number (135105).
2684494 is an apocalyptic number.
684494 is a deficient number, since it is larger than the sum of its proper divisors (396346).
684494 is a wasteful number, since it uses less digits than its factorization.
684494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18034.
The product of its digits is 27648, while the sum is 35.
The square root of 684494 is about 827.3415256108. The cubic root of 684494 is about 88.1298873939.
The spelling of 684494 in words is "six hundred eighty-four thousand, four hundred ninety-four".
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