Base | Representation |
---|---|
bin | 1010010101001… |
… | …11010101010110 |
3 | 20001002020000021 |
4 | 11022213111112 |
5 | 134141344010 |
6 | 12333335354 |
7 | 2101446136 |
oct | 512472526 |
9 | 201066007 |
10 | 86668630 |
11 | 44a16474 |
12 | 2503755a |
13 | 14c56819 |
14 | b720ac6 |
15 | 791e8da |
hex | 52a7556 |
86668630 has 8 divisors (see below), whose sum is σ = 156003552. Its totient is φ = 34667448.
The previous prime is 86668619. The next prime is 86668651. The reversal of 86668630 is 3686668.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×866686302 = 15022902852153800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4333422 + ... + 4333441.
It is an arithmetic number, because the mean of its divisors is an integer number (19500444).
Almost surely, 286668630 is an apocalyptic number.
86668630 is a deficient number, since it is larger than the sum of its proper divisors (69334922).
86668630 is a wasteful number, since it uses less digits than its factorization.
86668630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8666870.
The product of its (nonzero) digits is 248832, while the sum is 43.
The square root of 86668630 is about 9309.5988098306. The cubic root of 86668630 is about 442.5414731256.
It can be divided in two parts, 866 and 68630, that added together give a palindrome (69496).
The spelling of 86668630 in words is "eighty-six million, six hundred sixty-eight thousand, six hundred thirty".
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