Base | Representation |
---|---|
bin | 101000010010101… |
… | …000011100010001 |
3 | 1202002221222110122 |
4 | 220102220130101 |
5 | 2341022113011 |
6 | 151024240025 |
7 | 22515450263 |
oct | 5022503421 |
9 | 1662858418 |
10 | 675972881 |
11 | 317629481 |
12 | 16a470015 |
13 | aa078c6c |
14 | 65ac1b33 |
15 | 3e5283db |
hex | 284a8711 |
675972881 has 2 divisors, whose sum is σ = 675972882. Its totient is φ = 675972880.
The previous prime is 675972859. The next prime is 675972911. The reversal of 675972881 is 188279576.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 584865856 + 91107025 = 24184^2 + 9545^2 .
It is a cyclic number.
It is not a de Polignac number, because 675972881 - 214 = 675956497 is a prime.
It is a super-2 number, since 2×6759728812 = 913878671694880322, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (675972851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337986440 + 337986441.
It is an arithmetic number, because the mean of its divisors is an integer number (337986441).
Almost surely, 2675972881 is an apocalyptic number.
It is an amenable number.
675972881 is a deficient number, since it is larger than the sum of its proper divisors (1).
675972881 is an equidigital number, since it uses as much as digits as its factorization.
675972881 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1693440, while the sum is 53.
The square root of 675972881 is about 25999.4784755387. The cubic root of 675972881 is about 877.6265593440.
The spelling of 675972881 in words is "six hundred seventy-five million, nine hundred seventy-two thousand, eight hundred eighty-one".
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