Base | Representation |
---|---|
bin | 1010001101111… |
… | …11010001101000 |
3 | 12222021221011012 |
4 | 11012333101220 |
5 | 133420434440 |
6 | 12301123052 |
7 | 2060410025 |
oct | 506772150 |
9 | 188257135 |
10 | 85718120 |
11 | 44427324 |
12 | 24859488 |
13 | 149b2ca7 |
14 | b55454c |
15 | 77d2e65 |
hex | 51bf468 |
85718120 has 32 divisors (see below), whose sum is σ = 203018400. Its totient is φ = 32482368.
The previous prime is 85718111. The next prime is 85718173. The reversal of 85718120 is 2181758.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55634 + ... + 57153.
It is an arithmetic number, because the mean of its divisors is an integer number (6344325).
Almost surely, 285718120 is an apocalyptic number.
It is an amenable number.
85718120 is an abundant number, since it is smaller than the sum of its proper divisors (117300280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85718120 is a wasteful number, since it uses less digits than its factorization.
85718120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112817 (or 112813 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 32.
The square root of 85718120 is about 9258.4080705054. The cubic root of 85718120 is about 440.9177126853.
Adding to 85718120 its reverse (2181758), we get a palindrome (87899878).
The spelling of 85718120 in words is "eighty-five million, seven hundred eighteen thousand, one hundred twenty".
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