Base | Representation |
---|---|
bin | 10100110000010110001 |
3 | 1021112221101 |
4 | 2212002301 |
5 | 133230423 |
6 | 22324401 |
7 | 5531560 |
oct | 2460261 |
9 | 1245841 |
10 | 680113 |
11 | 424a85 |
12 | 289701 |
13 | 1aa745 |
14 | 139bd7 |
15 | d67ad |
hex | a60b1 |
680113 has 4 divisors (see below), whose sum is σ = 777280. Its totient is φ = 582948.
The previous prime is 680107. The next prime is 680123. The reversal of 680113 is 311086.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 680113 - 25 = 680081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (680123) 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, 48573 + ... + 48586.
It is an arithmetic number, because the mean of its divisors is an integer number (194320).
2680113 is an apocalyptic number.
It is an amenable number.
680113 is a deficient number, since it is larger than the sum of its proper divisors (97167).
680113 is an equidigital number, since it uses as much as digits as its factorization.
680113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97166.
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 680113 is about 824.6896385914. The cubic root of 680113 is about 87.9414641710.
Adding to 680113 its reverse (311086), we get a palindrome (991199).
The spelling of 680113 in words is "six hundred eighty thousand, one hundred thirteen".
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