Base | Representation |
---|---|
bin | 10100110000100101011 |
3 | 1021120002220 |
4 | 2212010223 |
5 | 133231420 |
6 | 22325123 |
7 | 5532123 |
oct | 2460453 |
9 | 1246086 |
10 | 680235 |
11 | 425086 |
12 | 2897a3 |
13 | 1aa80a |
14 | 139c83 |
15 | d6840 |
hex | a612b |
680235 has 16 divisors (see below), whose sum is σ = 1101600. Its totient is φ = 358400.
The previous prime is 680213. The next prime is 680237. The reversal of 680235 is 532086.
It is not a de Polignac number, because 680235 - 25 = 680203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (680237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291 + ... + 1739.
It is an arithmetic number, because the mean of its divisors is an integer number (68850).
2680235 is an apocalyptic number.
680235 is a deficient number, since it is larger than the sum of its proper divisors (421365).
680235 is a wasteful number, since it uses less digits than its factorization.
680235 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 558.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 680235 is about 824.7636024947. The cubic root of 680235 is about 87.9467222272.
The spelling of 680235 in words is "six hundred eighty thousand, two hundred thirty-five".
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