Base | Representation |
---|---|
bin | 101110110011100… |
… | …001111000110101 |
3 | 2000201121100022212 |
4 | 232303201320311 |
5 | 3102011310320 |
6 | 205530503205 |
7 | 25313413001 |
oct | 5663417065 |
9 | 2021540285 |
10 | 785260085 |
11 | 373293585 |
12 | 19ab94b05 |
13 | c68c1a4c |
14 | 7640d701 |
15 | 48e149c5 |
hex | 2ece1e35 |
785260085 has 8 divisors (see below), whose sum is σ = 965295576. Its totient is φ = 612885760.
The previous prime is 785260061. The next prime is 785260093. The reversal of 785260085 is 580062587.
It can be written as a sum of positive squares in 4 ways, for example, as 53611684 + 731648401 = 7322^2 + 27049^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 785260085 - 222 = 781065781 is a prime.
It is a super-3 number, since 3×7852600853 (a number of 28 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 1915064 + ... + 1915473.
It is an arithmetic number, because the mean of its divisors is an integer number (120661947).
Almost surely, 2785260085 is an apocalyptic number.
It is an amenable number.
785260085 is a deficient number, since it is larger than the sum of its proper divisors (180035491).
785260085 is a wasteful number, since it uses less digits than its factorization.
785260085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3830583.
The product of its (nonzero) digits is 134400, while the sum is 41.
The square root of 785260085 is about 28022.4924837174. The cubic root of 785260085 is about 922.5810026232.
The spelling of 785260085 in words is "seven hundred eighty-five million, two hundred sixty thousand, eighty-five".
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