Base | Representation |
---|---|
bin | 11101000001111… |
… | …010011100010001 |
3 | 1020221110020100121 |
4 | 131001322130101 |
5 | 1444140301120 |
6 | 120154550241 |
7 | 15032530660 |
oct | 3501723421 |
9 | 1227406317 |
10 | 487040785 |
11 | 22aa15a50 |
12 | 117138381 |
13 | 79b9861a |
14 | 48980dd7 |
15 | 2cb585aa |
hex | 1d07a711 |
487040785 has 16 divisors (see below), whose sum is σ = 728664192. Its totient is φ = 303609600.
The previous prime is 487040779. The next prime is 487040831. The reversal of 487040785 is 587040784.
It is not a de Polignac number, because 487040785 - 213 = 487032593 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632136 + ... + 632905.
It is an arithmetic number, because the mean of its divisors is an integer number (45541512).
Almost surely, 2487040785 is an apocalyptic number.
It is an amenable number.
487040785 is a deficient number, since it is larger than the sum of its proper divisors (241623407).
487040785 is a wasteful number, since it uses less digits than its factorization.
487040785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1265064.
The product of its (nonzero) digits is 250880, while the sum is 43.
The square root of 487040785 is about 22069.0005437491. Note that the first 3 decimals coincide. The cubic root of 487040785 is about 786.7832584979.
Subtracting 487040785 from its reverse (587040784), we obtain a palindrome (99999999).
The spelling of 487040785 in words is "four hundred eighty-seven million, forty thousand, seven hundred eighty-five".
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