Base | Representation |
---|---|
bin | 10100110000100010011 |
3 | 1021120002000 |
4 | 2212010103 |
5 | 133231321 |
6 | 22325043 |
7 | 5532060 |
oct | 2460423 |
9 | 1246060 |
10 | 680211 |
11 | 425064 |
12 | 289783 |
13 | 1aa7bc |
14 | 139c67 |
15 | d6826 |
hex | a6113 |
680211 has 32 divisors (see below), whose sum is σ = 1190400. Its totient is φ = 375840.
The previous prime is 680209. The next prime is 680213. The reversal of 680211 is 112086.
It is an interprime number because it is at equal distance from previous prime (680209) and next prime (680213).
It is not a de Polignac number, because 680211 - 21 = 680209 is a prime.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680211.
It is not an unprimeable number, because it can be changed into a prime (680213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11121 + ... + 11181.
It is an arithmetic number, because the mean of its divisors is an integer number (37200).
2680211 is an apocalyptic number.
680211 is a gapful number since it is divisible by the number (61) formed by its first and last digit.
680211 is a deficient number, since it is larger than the sum of its proper divisors (510189).
680211 is a wasteful number, since it uses less digits than its factorization.
680211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136 (or 130 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 680211 is about 824.7490527427. The cubic root of 680211 is about 87.9456879051.
Adding to 680211 its reverse (112086), we get a palindrome (792297).
The spelling of 680211 in words is "six hundred eighty thousand, two hundred eleven".
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