Base | Representation |
---|---|
bin | 1001000101011111… |
… | …0100111011000101 |
3 | 20021222022010000012 |
4 | 2101113310323011 |
5 | 14443332124110 |
6 | 1042003000005 |
7 | 114303445154 |
oct | 22127647305 |
9 | 6258263005 |
10 | 2438942405 |
11 | 10417a0589 |
12 | 580969005 |
13 | 2cb3a1cb3 |
14 | 191cb959b |
15 | e41b9905 |
hex | 915f4ec5 |
2438942405 has 16 divisors (see below), whose sum is σ = 2948761584. Its totient is φ = 1936496640.
The previous prime is 2438942339. The next prime is 2438942437. The reversal of 2438942405 is 5042498342.
It can be written as a sum of positive squares in 8 ways, for example, as 1940449 + 2437001956 = 1393^2 + 49366^2 .
It is not a de Polignac number, because 2438942405 - 218 = 2438680261 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 1170965 + ... + 1173045.
It is an arithmetic number, because the mean of its divisors is an integer number (184297599).
Almost surely, 22438942405 is an apocalyptic number.
It is an amenable number.
2438942405 is a deficient number, since it is larger than the sum of its proper divisors (509819179).
2438942405 is a wasteful number, since it uses less digits than its factorization.
2438942405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3736.
The product of its (nonzero) digits is 276480, while the sum is 41.
The square root of 2438942405 is about 49385.6497881723. The cubic root of 2438942405 is about 1346.0685629936.
The spelling of 2438942405 in words is "two billion, four hundred thirty-eight million, nine hundred forty-two thousand, four hundred five".
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