Base | Representation |
---|---|
bin | 1010010001110… |
… | …10100111101100 |
3 | 20000020121012001 |
4 | 11020322213230 |
5 | 134033121330 |
6 | 12320022044 |
7 | 2064613000 |
oct | 510724754 |
9 | 200217161 |
10 | 86223340 |
11 | 44741965 |
12 | 24a61924 |
13 | 14b2bc38 |
14 | b646700 |
15 | 78829ca |
hex | 523a9ec |
86223340 has 48 divisors (see below), whose sum is σ = 211176000. Its totient is φ = 29559936.
The previous prime is 86223331. The next prime is 86223359. The reversal of 86223340 is 4332268.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 86223299 and 86223308.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576 + ... + 13144.
It is an arithmetic number, because the mean of its divisors is an integer number (4399500).
Almost surely, 286223340 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86223340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105588000).
86223340 is an abundant number, since it is smaller than the sum of its proper divisors (124952660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86223340 is a wasteful number, since it uses less digits than its factorization.
86223340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12599 (or 12583 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 86223340 is about 9285.6523734200. The cubic root of 86223340 is about 441.7822682249.
The spelling of 86223340 in words is "eighty-six million, two hundred twenty-three thousand, three hundred forty".
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