Base | Representation |
---|---|
bin | 11101000001111… |
… | …010101110111111 |
3 | 1020221110021222222 |
4 | 131001322232333 |
5 | 1444140320413 |
6 | 120154555555 |
7 | 15032534321 |
oct | 3501725677 |
9 | 1227407888 |
10 | 487041983 |
11 | 22aa1693a |
12 | 117138bbb |
13 | 79b9902c |
14 | 48981611 |
15 | 2cb58b08 |
hex | 1d07abbf |
487041983 has 4 divisors (see below), whose sum is σ = 487113840. Its totient is φ = 486970128.
The previous prime is 487041977. The next prime is 487042007. The reversal of 487041983 is 389140784.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 487041983 - 24 = 487041967 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487041923) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24563 + ... + 39716.
It is an arithmetic number, because the mean of its divisors is an integer number (121778460).
Almost surely, 2487041983 is an apocalyptic number.
487041983 is a deficient number, since it is larger than the sum of its proper divisors (71857).
487041983 is an equidigital number, since it uses as much as digits as its factorization.
487041983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71856.
The product of its (nonzero) digits is 193536, while the sum is 44.
The square root of 487041983 is about 22069.0276858769. The cubic root of 487041983 is about 786.7839035949.
The spelling of 487041983 in words is "four hundred eighty-seven million, forty-one thousand, nine hundred eighty-three".
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