Base | Representation |
---|---|
bin | 1010001000100… |
… | …11110101010000 |
3 | 12220222020212121 |
4 | 11010103311100 |
5 | 133231002023 |
6 | 12234104024 |
7 | 2051423506 |
oct | 504236520 |
9 | 186866777 |
10 | 85015888 |
11 | 43a97771 |
12 | 2457b014 |
13 | 147c8479 |
14 | b410676 |
15 | 76e4d5d |
hex | 5113d50 |
85015888 has 20 divisors (see below), whose sum is σ = 170032768. Its totient is φ = 41136480.
The previous prime is 85015877. The next prime is 85015933. The reversal of 85015888 is 88851058.
85015888 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85206 + ... + 86197.
Almost surely, 285015888 is an apocalyptic number.
It is an amenable number.
85015888 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85015888 is a wasteful number, since it uses less digits than its factorization.
85015888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171442 (or 171436 counting only the distinct ones).
The product of its (nonzero) digits is 102400, while the sum is 43.
The square root of 85015888 is about 9220.4060648108. The cubic root of 85015888 is about 439.7103603444.
The spelling of 85015888 in words is "eighty-five million, fifteen thousand, eight hundred eighty-eight".
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