Base | Representation |
---|---|
bin | 101010110111001… |
… | …0001010110111010 |
3 | 10201020012210000110 |
4 | 1111232101112322 |
5 | 10421134134312 |
6 | 354413245150 |
7 | 50432303514 |
oct | 12556212672 |
9 | 3636183013 |
10 | 1438193082 |
11 | 678905827 |
12 | 3417937b6 |
13 | 19bc61a31 |
14 | d9014bb4 |
15 | 863db43c |
hex | 55b915ba |
1438193082 has 16 divisors (see below), whose sum is σ = 3001446720. Its totient is φ = 458554272.
The previous prime is 1438193077. The next prime is 1438193083. The reversal of 1438193082 is 2803918341.
It is a super-2 number, since 2×14381930822 = 4136798682225317448, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1438193082.
It is not an unprimeable number, because it can be changed into a prime (1438193083) 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 7 ways as a sum of consecutive naturals, for example, 5210707 + ... + 5210982.
It is an arithmetic number, because the mean of its divisors is an integer number (187590420).
Almost surely, 21438193082 is an apocalyptic number.
1438193082 is an abundant number, since it is smaller than the sum of its proper divisors (1563253638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1438193082 is a wasteful number, since it uses less digits than its factorization.
1438193082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10421717.
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 1438193082 is about 37923.5162135580. The cubic root of 1438193082 is about 1128.7707105884.
The spelling of 1438193082 in words is "one billion, four hundred thirty-eight million, one hundred ninety-three thousand, eighty-two".
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