Base | Representation |
---|---|
bin | 11100111110011… |
… | …111011110010000 |
3 | 1020212202200001012 |
4 | 130332133132100 |
5 | 1443423101023 |
6 | 120123430052 |
7 | 15022104056 |
oct | 3476373620 |
9 | 1225680035 |
10 | 486143888 |
11 | 22a46310a |
12 | 116985328 |
13 | 79943309 |
14 | 487ca1d6 |
15 | 2ca2c978 |
hex | 1cf9f790 |
486143888 has 40 divisors (see below), whose sum is σ = 991004280. Its totient is φ = 230722560.
The previous prime is 486143873. The next prime is 486143923. The reversal of 486143888 is 888341684.
It can be written as a sum of positive squares in 4 ways, for example, as 21827584 + 464316304 = 4672^2 + 21548^2 .
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, 14258 + ... + 34286.
It is an arithmetic number, because the mean of its divisors is an integer number (24775107).
Almost surely, 2486143888 is an apocalyptic number.
It is an amenable number.
486143888 is an abundant number, since it is smaller than the sum of its proper divisors (504860392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
486143888 is a wasteful number, since it uses less digits than its factorization.
486143888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20115 (or 20109 counting only the distinct ones).
The product of its digits is 1179648, while the sum is 50.
The square root of 486143888 is about 22048.6708896477. The cubic root of 486143888 is about 786.3000018077.
The spelling of 486143888 in words is "four hundred eighty-six million, one hundred forty-three thousand, eight hundred eighty-eight".
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