Base | Representation |
---|---|
bin | 101000100100010… |
… | …000111110101011 |
3 | 1202102122211022222 |
4 | 220210100332223 |
5 | 2343213022441 |
6 | 151311304255 |
7 | 22602652031 |
oct | 5044207653 |
9 | 1672584288 |
10 | 680595371 |
11 | 31a1a6415 |
12 | 16bb1b08b |
13 | ab006c71 |
14 | 66566551 |
15 | 3eb3cd4b |
hex | 28910fab |
680595371 has 16 divisors (see below), whose sum is σ = 727581600. Its totient is φ = 634791168.
The previous prime is 680595347. The next prime is 680595373. The reversal of 680595371 is 173595086.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-680595371 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (680595373) 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, 467681 + ... + 469133.
It is an arithmetic number, because the mean of its divisors is an integer number (45473850).
Almost surely, 2680595371 is an apocalyptic number.
680595371 is a deficient number, since it is larger than the sum of its proper divisors (46986229).
680595371 is a wasteful number, since it uses less digits than its factorization.
680595371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1838.
The product of its (nonzero) digits is 226800, while the sum is 44.
The square root of 680595371 is about 26088.2228409679. Note that the first 3 decimals coincide. The cubic root of 680595371 is about 879.6225012223.
The spelling of 680595371 in words is "six hundred eighty million, five hundred ninety-five thousand, three hundred seventy-one".
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