Base | Representation |
---|---|
bin | 11101000010011… |
… | …111100111101001 |
3 | 1020221201222020121 |
4 | 131002133213221 |
5 | 1444210134230 |
6 | 120202123241 |
7 | 15034033642 |
oct | 3502374751 |
9 | 1227658217 |
10 | 487193065 |
11 | 23000a3a7 |
12 | 1171b0521 |
13 | 79c1ca28 |
14 | 489c06c9 |
15 | 2cb8877a |
hex | 1d09f9e9 |
487193065 has 4 divisors (see below), whose sum is σ = 584631684. Its totient is φ = 389754448.
The previous prime is 487193039. The next prime is 487193081. The reversal of 487193065 is 560391784.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 178382736 + 308810329 = 13356^2 + 17573^2 .
It is a cyclic number.
It is not a de Polignac number, because 487193065 - 25 = 487193033 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 3 ways as a sum of consecutive naturals, for example, 48719302 + ... + 48719311.
It is an arithmetic number, because the mean of its divisors is an integer number (146157921).
Almost surely, 2487193065 is an apocalyptic number.
It is an amenable number.
487193065 is a deficient number, since it is larger than the sum of its proper divisors (97438619).
487193065 is an equidigital number, since it uses as much as digits as its factorization.
487193065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97438618.
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 487193065 is about 22072.4503623861. The cubic root of 487193065 is about 786.8652494889.
The spelling of 487193065 in words is "four hundred eighty-seven million, one hundred ninety-three thousand, sixty-five".
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