Base | Representation |
---|---|
bin | 1001010011101100… |
… | …00010110100000001 |
3 | 110220020201220221201 |
4 | 10221312002310001 |
5 | 40213213003244 |
6 | 2143503021201 |
7 | 234554542300 |
oct | 45166026401 |
9 | 13806656851 |
10 | 4997000449 |
11 | 2134749441 |
12 | b7559a801 |
13 | 61834b4cc |
14 | 355920437 |
15 | 1e3a62ad4 |
hex | 129d82d01 |
4997000449 has 12 divisors (see below), whose sum is σ = 5817562500. Its totient is φ = 4279661568.
The previous prime is 4997000443. The next prime is 4997000467. The reversal of 4997000449 is 9440007994.
It can be written as a sum of positive squares in 2 ways, for example, as 3218860225 + 1778140224 = 56735^2 + 42168^2 .
It is not a de Polignac number, because 4997000449 - 23 = 4997000441 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4997000399 and 4997000408.
It is not an unprimeable number, because it can be changed into a prime (4997000441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20377 + ... + 102025.
It is an arithmetic number, because the mean of its divisors is an integer number (484796875).
Almost surely, 24997000449 is an apocalyptic number.
4997000449 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
It is an amenable number.
4997000449 is a deficient number, since it is larger than the sum of its proper divisors (820562051).
4997000449 is a wasteful number, since it uses less digits than its factorization.
4997000449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82912 (or 82905 counting only the distinct ones).
The product of its (nonzero) digits is 326592, while the sum is 46.
The square root of 4997000449 is about 70689.4649081460. The cubic root of 4997000449 is about 1709.6339342713.
The spelling of 4997000449 in words is "four billion, nine hundred ninety-seven million, four hundred forty-nine", and thus it is an aban number.
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