Base | Representation |
---|---|
bin | 1010010101011… |
… | …11000010001000 |
3 | 20001010211021100 |
4 | 11022233002020 |
5 | 134143401133 |
6 | 12334141400 |
7 | 2101640112 |
oct | 512570210 |
9 | 201124240 |
10 | 86700168 |
11 | 44a38135 |
12 | 25051860 |
13 | 14c67c99 |
14 | b72c3b2 |
15 | 7928e13 |
hex | 52af088 |
86700168 has 24 divisors (see below), whose sum is σ = 234813150. Its totient is φ = 28900032.
The previous prime is 86700167. The next prime is 86700181. The reversal of 86700168 is 86100768.
It can be written as a sum of positive squares in only one way, i.e., 86155524 + 544644 = 9282^2 + 738^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (86700167) 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 5 ways as a sum of consecutive naturals, for example, 602013 + ... + 602156.
Almost surely, 286700168 is an apocalyptic number.
It is an amenable number.
86700168 is an abundant number, since it is smaller than the sum of its proper divisors (148112982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86700168 is a wasteful number, since it uses less digits than its factorization.
86700168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1204181 (or 1204174 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 86700168 is about 9311.2924988962. The cubic root of 86700168 is about 442.5951456805.
It can be divided in two parts, 86700 and 168, that added together give a palindrome (86868).
The spelling of 86700168 in words is "eighty-six million, seven hundred thousand, one hundred sixty-eight".
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