Base | Representation |
---|---|
bin | 11101000011010… |
… | …010000000100100 |
3 | 1020222010110100212 |
4 | 131003102000210 |
5 | 1444233240320 |
6 | 120210354552 |
7 | 15035553452 |
oct | 3503220044 |
9 | 1228113325 |
10 | 487399460 |
11 | 230140479 |
12 | 11728ba58 |
13 | 79c92962 |
14 | 48a359d2 |
15 | 2cbc99c5 |
hex | 1d0d2024 |
487399460 has 24 divisors (see below), whose sum is σ = 1026108216. Its totient is φ = 194470400.
The previous prime is 487399421. The next prime is 487399477. The reversal of 487399460 is 64993784.
It can be written as a sum of positive squares in 4 ways, for example, as 282508864 + 204890596 = 16808^2 + 14314^2 .
It is a junction number, because it is equal to n+sod(n) for n = 487399399 and 487399408.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22367 + ... + 38406.
It is an arithmetic number, because the mean of its divisors is an integer number (42754509).
Almost surely, 2487399460 is an apocalyptic number.
It is an amenable number.
487399460 is an abundant number, since it is smaller than the sum of its proper divisors (538708756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487399460 is a wasteful number, since it uses less digits than its factorization.
487399460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61183 (or 61181 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 50.
The square root of 487399460 is about 22077.1252657587. The cubic root of 487399460 is about 786.9763499516.
The spelling of 487399460 in words is "four hundred eighty-seven million, three hundred ninety-nine thousand, four hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •