Base | Representation |
---|---|
bin | 1010010000101… |
… | …00111011111110 |
3 | 12222221202110101 |
4 | 11020110323332 |
5 | 134013201430 |
6 | 12312431314 |
7 | 2063401000 |
oct | 510247376 |
9 | 188852411 |
10 | 86068990 |
11 | 446469a7 |
12 | 249a853a |
13 | 14aa68c7 |
14 | b606370 |
15 | 7851dca |
hex | 5214efe |
86068990 has 64 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 28200480.
The previous prime is 86068951. The next prime is 86068991. The reversal of 86068990 is 9986068.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a self number, because there is not a number n which added to its sum of digits gives 86068990.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86068991) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78345 + ... + 79435.
It is an arithmetic number, because the mean of its divisors is an integer number (2948400).
Almost surely, 286068990 is an apocalyptic number.
86068990 is an abundant number, since it is smaller than the sum of its proper divisors (102628610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86068990 is a wasteful number, since it uses less digits than its factorization.
86068990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1142 (or 1128 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 46.
The square root of 86068990 is about 9277.3374413136. The cubic root of 86068990 is about 441.5184965576.
The spelling of 86068990 in words is "eighty-six million, sixty-eight thousand, nine hundred ninety".
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