Base | Representation |
---|---|
bin | 101000101110100… |
… | …001101011111101 |
3 | 1202121201111010221 |
4 | 220232201223331 |
5 | 2344410111440 |
6 | 151445101341 |
7 | 22634554156 |
oct | 5056415375 |
9 | 1677644127 |
10 | 683285245 |
11 | 320773355 |
12 | 1709b7851 |
13 | ab7393c6 |
14 | 66a6692d |
15 | 3eebed4a |
hex | 28ba1afd |
683285245 has 4 divisors (see below), whose sum is σ = 819942300. Its totient is φ = 546628192.
The previous prime is 683285237. The next prime is 683285249. The reversal of 683285245 is 542582386.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 400440121 + 282845124 = 20011^2 + 16818^2 .
It is a cyclic number.
It is not a de Polignac number, because 683285245 - 23 = 683285237 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (683285249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68328520 + ... + 68328529.
It is an arithmetic number, because the mean of its divisors is an integer number (204985575).
Almost surely, 2683285245 is an apocalyptic number.
It is an amenable number.
683285245 is a deficient number, since it is larger than the sum of its proper divisors (136657055).
683285245 is a wasteful number, since it uses less digits than its factorization.
683285245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136657054.
The product of its digits is 460800, while the sum is 43.
The square root of 683285245 is about 26139.7254193689. The cubic root of 683285245 is about 880.7798033572.
The spelling of 683285245 in words is "six hundred eighty-three million, two hundred eighty-five thousand, two hundred forty-five".
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