Base | Representation |
---|---|
bin | 10001000100001… |
… | …011011100100010 |
3 | 201221201221220211 |
4 | 101010023130202 |
5 | 1041243330010 |
6 | 44224324334 |
7 | 10044402403 |
oct | 2104133442 |
9 | 657657824 |
10 | 286308130 |
11 | 137682599 |
12 | 7ba736aa |
13 | 474159c4 |
14 | 2a04b9aa |
15 | 1a20708a |
hex | 1110b722 |
286308130 has 8 divisors (see below), whose sum is σ = 515354652. Its totient is φ = 114523248.
The previous prime is 286308079. The next prime is 286308133. The reversal of 286308130 is 31803682.
It can be written as a sum of positive squares in 2 ways, for example, as 284225881 + 2082249 = 16859^2 + 1443^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×2863081303 (a number of 26 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 286308092 and 286308101.
It is not an unprimeable number, because it can be changed into a prime (286308133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14315397 + ... + 14315416.
Almost surely, 2286308130 is an apocalyptic number.
286308130 is a deficient number, since it is larger than the sum of its proper divisors (229046522).
286308130 is a wasteful number, since it uses less digits than its factorization.
286308130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28630820.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 286308130 is about 16920.6421272953. The cubic root of 286308130 is about 659.0897537716.
The spelling of 286308130 in words is "two hundred eighty-six million, three hundred eight thousand, one hundred thirty".
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