Base | Representation |
---|---|
bin | 101001101111101… |
… | …0001010011110001 |
3 | 10121121200020210201 |
4 | 1103133101103301 |
5 | 10332040100124 |
6 | 350553555201 |
7 | 46465543543 |
oct | 12337212361 |
9 | 3547606721 |
10 | 1400706289 |
11 | 659731404 |
12 | 331115b01 |
13 | 1942680b8 |
14 | d4057693 |
15 | 82e84144 |
hex | 537d14f1 |
1400706289 has 2 divisors, whose sum is σ = 1400706290. Its totient is φ = 1400706288.
The previous prime is 1400706179. The next prime is 1400706317. The reversal of 1400706289 is 9826070041.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1306461025 + 94245264 = 36145^2 + 9708^2 .
It is an emirp because it is prime and its reverse (9826070041) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1400706289 - 29 = 1400705777 is a prime.
It is not a weakly prime, because it can be changed into another prime (1400736289) 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 as a sum of consecutive naturals, namely, 700353144 + 700353145.
It is an arithmetic number, because the mean of its divisors is an integer number (700353145).
Almost surely, 21400706289 is an apocalyptic number.
It is an amenable number.
1400706289 is a deficient number, since it is larger than the sum of its proper divisors (1).
1400706289 is an equidigital number, since it uses as much as digits as its factorization.
1400706289 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24192, while the sum is 37.
The square root of 1400706289 is about 37426.0108614317. The cubic root of 1400706289 is about 1118.8770337152.
The spelling of 1400706289 in words is "one billion, four hundred million, seven hundred six thousand, two hundred eighty-nine".
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