Base | Representation |
---|---|
bin | 1010010111101… |
… | …11110101110010 |
3 | 20001200222100110 |
4 | 11023313311302 |
5 | 134232422021 |
6 | 12344402150 |
7 | 2104321416 |
oct | 513676562 |
9 | 201628313 |
10 | 86998386 |
11 | 451211a2 |
12 | 25176356 |
13 | 15040947 |
14 | b7a8d46 |
15 | 7987476 |
hex | 52f7d72 |
86998386 has 16 divisors (see below), whose sum is σ = 174398400. Its totient is φ = 28932528.
The previous prime is 86998343. The next prime is 86998409. The reversal of 86998386 is 68389968.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13881 + ... + 19148.
It is an arithmetic number, because the mean of its divisors is an integer number (10899900).
Almost surely, 286998386 is an apocalyptic number.
86998386 is an abundant number, since it is smaller than the sum of its proper divisors (87400014).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86998386 is a wasteful number, since it uses less digits than its factorization.
86998386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33473.
The product of its digits is 4478976, while the sum is 57.
The square root of 86998386 is about 9327.2925332060. The cubic root of 86998386 is about 443.1020220333.
The spelling of 86998386 in words is "eighty-six million, nine hundred ninety-eight thousand, three hundred eighty-six".
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