Base | Representation |
---|---|
bin | 1010010101011… |
… | …01011000001001 |
3 | 20001010110222010 |
4 | 11022231120021 |
5 | 134143142020 |
6 | 12334050133 |
7 | 2101611252 |
oct | 512553011 |
9 | 201113863 |
10 | 86693385 |
11 | 44a33029 |
12 | 25049949 |
13 | 14c64b7c |
14 | b729b29 |
15 | 7926de0 |
hex | 52ad609 |
86693385 has 16 divisors (see below), whose sum is σ = 138839040. Its totient is φ = 46193280.
The previous prime is 86693381. The next prime is 86693401. The reversal of 86693385 is 58339668.
It is not a de Polignac number, because 86693385 - 22 = 86693381 is a prime.
It is a Curzon number.
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 15 ways as a sum of consecutive naturals, for example, 20101 + ... + 24029.
It is an arithmetic number, because the mean of its divisors is an integer number (8677440).
Almost surely, 286693385 is an apocalyptic number.
It is an amenable number.
86693385 is a deficient number, since it is larger than the sum of its proper divisors (52145655).
86693385 is a wasteful number, since it uses less digits than its factorization.
86693385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5408.
The product of its digits is 933120, while the sum is 48.
The square root of 86693385 is about 9310.9282566240. The cubic root of 86693385 is about 442.5836032147.
It can be divided in two parts, 86693 and 385, that added together give a palindrome (87078).
The spelling of 86693385 in words is "eighty-six million, six hundred ninety-three thousand, three hundred eighty-five".
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