Base | Representation |
---|---|
bin | 1010010101011… |
… | …01011000001010 |
3 | 20001010110222011 |
4 | 11022231120022 |
5 | 134143142021 |
6 | 12334050134 |
7 | 2101611253 |
oct | 512553012 |
9 | 201113864 |
10 | 86693386 |
11 | 44a3302a |
12 | 2504994a |
13 | 14c64b80 |
14 | b729b2a |
15 | 7926de1 |
hex | 52ad60a |
86693386 has 8 divisors (see below), whose sum is σ = 140043204. Its totient is φ = 40012320.
The previous prime is 86693381. The next prime is 86693401. The reversal of 86693386 is 68339668.
It can be written as a sum of positive squares in 2 ways, for example, as 85655025 + 1038361 = 9255^2 + 1019^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×866933862 = 15031486352289992, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (86693381) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667155 + ... + 1667206.
Almost surely, 286693386 is an apocalyptic number.
86693386 is a deficient number, since it is larger than the sum of its proper divisors (53349818).
86693386 is a wasteful number, since it uses less digits than its factorization.
86693386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3334376.
The product of its digits is 1119744, while the sum is 49.
The square root of 86693386 is about 9310.9283103244. The cubic root of 86693386 is about 442.5836049164.
The spelling of 86693386 in words is "eighty-six million, six hundred ninety-three thousand, three hundred eighty-six".
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