Base | Representation |
---|---|
bin | 1111111010010101… |
… | …00110001001010001 |
3 | 211001022222220020121 |
4 | 13331022212021101 |
5 | 114443322140000 |
6 | 3531352510241 |
7 | 421455015532 |
oct | 77512461121 |
9 | 24038886217 |
10 | 8542380625 |
11 | 3693a50aa9 |
12 | 17a49ab381 |
13 | a61a164bc |
14 | 5b0732689 |
15 | 34ee35b1a |
hex | 1fd2a6251 |
8542380625 has 15 divisors (see below), whose sum is σ = 10677446967. Its totient is φ = 6832056000.
The previous prime is 8542380599. The next prime is 8542380653. The reversal of 8542380625 is 5260832458.
The square root of 8542380625 is 92425.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 7 ways, for example, as 8539053649 + 3326976 = 92407^2 + 1824^2 .
It is not a de Polignac number, because 8542380625 - 215 = 8542347857 is a prime.
It is a Duffinian number.
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 14 ways as a sum of consecutive naturals, for example, 2308777 + ... + 2312473.
Almost surely, 28542380625 is an apocalyptic number.
8542380625 is the 92425-th square number.
8542380625 is the 46213-rd centered octagonal number.
It is an amenable number.
8542380625 is a deficient number, since it is larger than the sum of its proper divisors (2135066342).
8542380625 is an frugal number, since it uses more digits than its factorization.
8542380625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7414 (or 3702 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 43.
The cubic root of 8542380625 is about 2044.2137547354.
The spelling of 8542380625 in words is "eight billion, five hundred forty-two million, three hundred eighty thousand, six hundred twenty-five".
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