Base | Representation |
---|---|
bin | 1010010101010… |
… | …01110001010000 |
3 | 20001002201200211 |
4 | 11022221301100 |
5 | 134142203413 |
6 | 12333453504 |
7 | 2101520212 |
oct | 512516120 |
9 | 201081624 |
10 | 86678608 |
11 | 44a22a15 |
12 | 25041294 |
13 | 14c5b223 |
14 | b7245b2 |
15 | 792283d |
hex | 52a9c50 |
86678608 has 40 divisors (see below), whose sum is σ = 177667200. Its totient is φ = 40852224.
The previous prime is 86678587. The next prime is 86678609. The reversal of 86678608 is 80687668.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86678609) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 72060 + ... + 73252.
It is an arithmetic number, because the mean of its divisors is an integer number (4441680).
Almost surely, 286678608 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 86678608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88833600).
86678608 is an abundant number, since it is smaller than the sum of its proper divisors (90988592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86678608 is a wasteful number, since it uses less digits than its factorization.
86678608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1459 (or 1453 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 49.
The square root of 86678608 is about 9310.1346929032. The cubic root of 86678608 is about 442.5584554692.
The spelling of 86678608 in words is "eighty-six million, six hundred seventy-eight thousand, six hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •