Base | Representation |
---|---|
bin | 1010000100111… |
… | …01010111111111 |
3 | 12220001121022012 |
4 | 11002131113333 |
5 | 133114440222 |
6 | 12215441435 |
7 | 2044333103 |
oct | 502352777 |
9 | 186047265 |
10 | 84530687 |
11 | 4379617a |
12 | 2438627b |
13 | 14688677 |
14 | b325903 |
15 | 764b1e2 |
hex | 509d5ff |
84530687 has 8 divisors (see below), whose sum is σ = 85691520. Its totient is φ = 83374720.
The previous prime is 84530669. The next prime is 84530713. The reversal of 84530687 is 78603548.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 84530687 - 210 = 84529663 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84530627) 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 7 ways as a sum of consecutive naturals, for example, 45458 + ... + 47280.
It is an arithmetic number, because the mean of its divisors is an integer number (10711440).
Almost surely, 284530687 is an apocalyptic number.
84530687 is a deficient number, since it is larger than the sum of its proper divisors (1160833).
84530687 is a wasteful number, since it uses less digits than its factorization.
84530687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2433.
The product of its (nonzero) digits is 161280, while the sum is 41.
The square root of 84530687 is about 9194.0571566638. The cubic root of 84530687 is about 438.8722618233.
The spelling of 84530687 in words is "eighty-four million, five hundred thirty thousand, six hundred eighty-seven".
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