Base | Representation |
---|---|
bin | 111111111100100… |
… | …111010110111001 |
3 | 2202202202122122021 |
4 | 333330213112321 |
5 | 4144122320312 |
6 | 254242554441 |
7 | 35405053363 |
oct | 7774472671 |
9 | 2682678567 |
10 | 1072854457 |
11 | 500664484 |
12 | 25b368a21 |
13 | 14136802c |
14 | a26b3d33 |
15 | 642c2c07 |
hex | 3ff275b9 |
1072854457 has 2 divisors, whose sum is σ = 1072854458. Its totient is φ = 1072854456.
The previous prime is 1072854443. The next prime is 1072854469. The reversal of 1072854457 is 7544582701.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1016589456 + 56265001 = 31884^2 + 7501^2 .
It is a cyclic number.
It is not a de Polignac number, because 1072854457 - 27 = 1072854329 is a prime.
It is not a weakly prime, because it can be changed into another prime (1072854487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536427228 + 536427229.
It is an arithmetic number, because the mean of its divisors is an integer number (536427229).
Almost surely, 21072854457 is an apocalyptic number.
It is an amenable number.
1072854457 is a deficient number, since it is larger than the sum of its proper divisors (1).
1072854457 is an equidigital number, since it uses as much as digits as its factorization.
1072854457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 313600, while the sum is 43.
The square root of 1072854457 is about 32754.4570554909. The cubic root of 1072854457 is about 1023.7178358842.
The spelling of 1072854457 in words is "one billion, seventy-two million, eight hundred fifty-four thousand, four hundred fifty-seven".
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