Base | Representation |
---|---|
bin | 1111010100010… |
… | …01101111110011 |
3 | 22221202222210210 |
4 | 13222021233303 |
5 | 230343143413 |
6 | 20425555203 |
7 | 3120102552 |
oct | 752115763 |
9 | 287688723 |
10 | 128490483 |
11 | 66590890 |
12 | 37045b03 |
13 | 2080a694 |
14 | 130c9d99 |
15 | b4313c3 |
hex | 7a89bf3 |
128490483 has 32 divisors (see below), whose sum is σ = 198777600. Its totient is φ = 73008000.
The previous prime is 128490451. The next prime is 128490499. The reversal of 128490483 is 384094821.
It is not a de Polignac number, because 128490483 - 25 = 128490451 is a prime.
It is not an unprimeable number, because it can be changed into a prime (128490083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62313 + ... + 64341.
It is an arithmetic number, because the mean of its divisors is an integer number (6211800).
Almost surely, 2128490483 is an apocalyptic number.
128490483 is a deficient number, since it is larger than the sum of its proper divisors (70287117).
128490483 is a wasteful number, since it uses less digits than its factorization.
128490483 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2163.
The product of its (nonzero) digits is 55296, while the sum is 39.
The square root of 128490483 is about 11335.3642641073. The cubic root of 128490483 is about 504.6113180828.
The spelling of 128490483 in words is "one hundred twenty-eight million, four hundred ninety thousand, four hundred eighty-three".
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