Base | Representation |
---|---|
bin | 10110111001101… |
… | …010111000001001 |
3 | 222202222020001220 |
4 | 112321222320021 |
5 | 1241324412320 |
6 | 102043032253 |
7 | 12343533654 |
oct | 2671527011 |
9 | 882866056 |
10 | 384216585 |
11 | 187975675 |
12 | a880b689 |
13 | 617a64bc |
14 | 3905689b |
15 | 23ae6e40 |
hex | 16e6ae09 |
384216585 has 8 divisors (see below), whose sum is σ = 614746560. Its totient is φ = 204915504.
The previous prime is 384216583. The next prime is 384216589. The reversal of 384216585 is 585612483.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 384216585 - 21 = 384216583 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (384216583) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12807205 + ... + 12807234.
It is an arithmetic number, because the mean of its divisors is an integer number (76843320).
Almost surely, 2384216585 is an apocalyptic number.
It is an amenable number.
384216585 is a deficient number, since it is larger than the sum of its proper divisors (230529975).
384216585 is a wasteful number, since it uses less digits than its factorization.
384216585 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25614447.
The product of its digits is 230400, while the sum is 42.
The square root of 384216585 is about 19601.4434417468. The cubic root of 384216585 is about 726.9848645961.
The spelling of 384216585 in words is "three hundred eighty-four million, two hundred sixteen thousand, five hundred eighty-five".
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