Base | Representation |
---|---|
bin | 1010010001000… |
… | …10110100000110 |
3 | 20000001122102120 |
4 | 11020202310012 |
5 | 134022011310 |
6 | 12313550410 |
7 | 2064025500 |
oct | 510426406 |
9 | 200048376 |
10 | 86125830 |
11 | 4468567a |
12 | 24a15406 |
13 | 14ac673b |
14 | b61cd70 |
15 | 7863b70 |
hex | 5222d06 |
86125830 has 96 divisors (see below), whose sum is σ = 246486240. Its totient is φ = 19192320.
The previous prime is 86125817. The next prime is 86125847. The reversal of 86125830 is 3852168.
It is a happy number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 86125791 and 86125800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59556 + ... + 60984.
It is an arithmetic number, because the mean of its divisors is an integer number (2567565).
Almost surely, 286125830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86125830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123243120).
86125830 is an abundant number, since it is smaller than the sum of its proper divisors (160360410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86125830 is a wasteful number, since it uses less digits than its factorization.
86125830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1494 (or 1487 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 86125830 is about 9280.4003146416. The cubic root of 86125830 is about 441.6156681750.
Adding to 86125830 its reverse (3852168), we get a palindrome (89977998).
The spelling of 86125830 in words is "eighty-six million, one hundred twenty-five thousand, eight hundred thirty".
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