Base | Representation |
---|---|
bin | 101000110000101… |
… | …111010000100101 |
3 | 1202122210221120222 |
4 | 220300233100211 |
5 | 2400032141000 |
6 | 151505334125 |
7 | 22642520606 |
oct | 5060572045 |
9 | 1678727528 |
10 | 683865125 |
11 | 321029a99 |
12 | 171037345 |
13 | ab8b0328 |
14 | 66b77dad |
15 | 40086a85 |
hex | 28c2f425 |
683865125 has 12 divisors (see below), whose sum is σ = 853828716. Its totient is φ = 546858200.
The previous prime is 683865109. The next prime is 683865139. The reversal of 683865125 is 521568386.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 21883684 + 661981441 = 4678^2 + 25729^2 .
It is not a de Polignac number, because 683865125 - 24 = 683865109 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291206 + ... + 293544.
It is an arithmetic number, because the mean of its divisors is an integer number (71152393).
Almost surely, 2683865125 is an apocalyptic number.
It is an amenable number.
683865125 is a deficient number, since it is larger than the sum of its proper divisors (169963591).
683865125 is an frugal number, since it uses more digits than its factorization.
683865125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4693 (or 2344 counting only the distinct ones).
The product of its digits is 345600, while the sum is 44.
The square root of 683865125 is about 26150.8149968600. The cubic root of 683865125 is about 881.0288951190.
The spelling of 683865125 in words is "six hundred eighty-three million, eight hundred sixty-five thousand, one hundred twenty-five".
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