Base | Representation |
---|---|
bin | 10110111100111… |
… | …110000011110001 |
3 | 222211121011121221 |
4 | 112330332003301 |
5 | 1242040102320 |
6 | 102113345041 |
7 | 12354065560 |
oct | 2674760361 |
9 | 884534557 |
10 | 385081585 |
11 | 188406549 |
12 | a8b68181 |
13 | 61a1a135 |
14 | 391ddbd7 |
15 | 23c183aa |
hex | 16f3e0f1 |
385081585 has 8 divisors (see below), whose sum is σ = 528111936. Its totient is φ = 264055920.
The previous prime is 385081583. The next prime is 385081621. The reversal of 385081585 is 585180583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 385081585 - 21 = 385081583 is a prime.
It is a super-2 number, since 2×3850815852 = 296575654212224450, which contains 22 as substring.
It is a Duffinian number.
385081585 is a modest number, since divided by 81585 gives 385 as remainder.
It is not an unprimeable number, because it can be changed into a prime (385081583) 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, 5501131 + ... + 5501200.
It is an arithmetic number, because the mean of its divisors is an integer number (66013992).
Almost surely, 2385081585 is an apocalyptic number.
385081585 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
385081585 is a deficient number, since it is larger than the sum of its proper divisors (143030351).
385081585 is a wasteful number, since it uses less digits than its factorization.
385081585 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11002343.
The product of its (nonzero) digits is 192000, while the sum is 43.
The square root of 385081585 is about 19623.4957385273. The cubic root of 385081585 is about 727.5300176952.
The spelling of 385081585 in words is "three hundred eighty-five million, eighty-one thousand, five hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •