Base | Representation |
---|---|
bin | 11101000011010… |
… | …111001110010000 |
3 | 1020222011112122211 |
4 | 131003113032100 |
5 | 1444234431231 |
6 | 120211041504 |
7 | 15036002641 |
oct | 3503271620 |
9 | 1228145584 |
10 | 487420816 |
11 | 230155523 |
12 | 1172a0294 |
13 | 79c9c5ac |
14 | 48a3d6c8 |
15 | 2cbd0eb1 |
hex | 1d0d7390 |
487420816 has 10 divisors (see below), whose sum is σ = 944377862. Its totient is φ = 243710400.
The previous prime is 487420799. The next prime is 487420831. The reversal of 487420816 is 618024784.
It can be written as a sum of positive squares in only one way, i.e., 275427216 + 211993600 = 16596^2 + 14560^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15231885 + ... + 15231916.
Almost surely, 2487420816 is an apocalyptic number.
It is an amenable number.
487420816 is a deficient number, since it is larger than the sum of its proper divisors (456957046).
487420816 is a wasteful number, since it uses less digits than its factorization.
487420816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30463809 (or 30463803 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 40.
The square root of 487420816 is about 22077.6089285049. The cubic root of 487420816 is about 786.9878438923.
The spelling of 487420816 in words is "four hundred eighty-seven million, four hundred twenty thousand, eight hundred sixteen".
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