Base | Representation |
---|---|
bin | 10000001101110100… |
… | …00101000100110001 |
3 | 211110201112122001211 |
4 | 20012322011010301 |
5 | 120312142314100 |
6 | 3555512000121 |
7 | 425511163144 |
oct | 100672050461 |
9 | 24421478054 |
10 | 8705823025 |
11 | 3768234769 |
12 | 182b690041 |
13 | a89840a93 |
14 | 5c831a05b |
15 | 35e46d1ba |
hex | 206e85131 |
8705823025 has 9 divisors (see below), whose sum is σ = 10795799073. Its totient is φ = 6964285200.
The previous prime is 8705823023. The next prime is 8705823083. The reversal of 8705823025 is 5203285078.
The square root of 8705823025 is 93305.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 2988043569 + 5717779456 = 54663^2 + 75616^2 .
It is not a de Polignac number, because 8705823025 - 21 = 8705823023 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8705823023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 457195 + ... + 475855.
Almost surely, 28705823025 is an apocalyptic number.
8705823025 is the 93305-th square number.
8705823025 is the 46653-rd centered octagonal number.
It is an amenable number.
8705823025 is a deficient number, since it is larger than the sum of its proper divisors (2089976048).
8705823025 is an frugal number, since it uses more digits than its factorization.
8705823025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37332 (or 18666 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 40.
The cubic root of 8705823025 is about 2057.1688749591.
The spelling of 8705823025 in words is "eight billion, seven hundred five million, eight hundred twenty-three thousand, twenty-five".
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