Base | Representation |
---|---|
bin | 1010010010011… |
… | …11010000001001 |
3 | 20000101220010000 |
4 | 11021033100021 |
5 | 134043322344 |
6 | 12321513213 |
7 | 2065414245 |
oct | 511172011 |
9 | 200356100 |
10 | 86307849 |
11 | 4479a401 |
12 | 24aa2809 |
13 | 14b5b544 |
14 | b669425 |
15 | 789ca69 |
hex | 524f409 |
86307849 has 10 divisors (see below), whose sum is σ = 128929130. Its totient is φ = 57538512.
The previous prime is 86307817. The next prime is 86307877. The reversal of 86307849 is 94870368.
It is a happy number.
86307849 is a `hidden beast` number, since 8 + 630 + 7 + 8 + 4 + 9 = 666.
It can be written as a sum of positive squares in only one way, i.e., 54464400 + 31843449 = 7380^2 + 5643^2 .
It is not a de Polignac number, because 86307849 - 25 = 86307817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (86307889) 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 9 ways as a sum of consecutive naturals, for example, 532684 + ... + 532845.
It is an arithmetic number, because the mean of its divisors is an integer number (12892913).
Almost surely, 286307849 is an apocalyptic number.
It is an amenable number.
86307849 is a deficient number, since it is larger than the sum of its proper divisors (42621281).
86307849 is a wasteful number, since it uses less digits than its factorization.
86307849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1065541 (or 1065532 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 86307849 is about 9290.2017739121. The cubic root of 86307849 is about 441.9265539327.
The spelling of 86307849 in words is "eighty-six million, three hundred seven thousand, eight hundred forty-nine".
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