Base | Representation |
---|---|
bin | 1010001001000… |
… | …11101110011100 |
3 | 12221002120011201 |
4 | 11010203232130 |
5 | 133240042423 |
6 | 12235325244 |
7 | 2052114346 |
oct | 504435634 |
9 | 187076151 |
10 | 85080988 |
11 | 44031673 |
12 | 245b0824 |
13 | 1481bca5 |
14 | b42a296 |
15 | 77092ad |
hex | 5123b9c |
85080988 has 24 divisors (see below), whose sum is σ = 162739584. Its totient is φ = 38745600.
The previous prime is 85080959. The next prime is 85080991. The reversal of 85080988 is 88908058.
It is a happy number.
It is a super-2 number, since 2×850809882 = 14477549038112288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18073 + ... + 22288.
It is an arithmetic number, because the mean of its divisors is an integer number (6780816).
Almost surely, 285080988 is an apocalyptic number.
It is an amenable number.
85080988 is a deficient number, since it is larger than the sum of its proper divisors (77658596).
85080988 is a wasteful number, since it uses less digits than its factorization.
85080988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40413 (or 40411 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 46.
The square root of 85080988 is about 9223.9356025506. The cubic root of 85080988 is about 439.8225661990.
It can be divided in two parts, 85080 and 988, that added together give a palindrome (86068).
The spelling of 85080988 in words is "eighty-five million, eighty thousand, nine hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •