Base | Representation |
---|---|
bin | 111101010010101… |
… | …101011010010101 |
3 | 2122122221210200100 |
4 | 331102231122111 |
5 | 4101222033043 |
6 | 250012204313 |
7 | 34324350153 |
oct | 7522553225 |
9 | 2578853610 |
10 | 1028314773 |
11 | 488503122 |
12 | 248469699 |
13 | 1350720a5 |
14 | 9a7dc3d3 |
15 | 60425cd3 |
hex | 3d4ad695 |
1028314773 has 12 divisors (see below), whose sum is σ = 1486846348. Its totient is φ = 684849600.
The previous prime is 1028314747. The next prime is 1028314783. The reversal of 1028314773 is 3774138201.
1028314773 is a `hidden beast` number, since 102 + 83 + 1 + 477 + 3 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 732405969 + 295908804 = 27063^2 + 17202^2 .
It is not a de Polignac number, because 1028314773 - 28 = 1028314517 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1028314783) 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 11 ways as a sum of consecutive naturals, for example, 48328 + ... + 66273.
Almost surely, 21028314773 is an apocalyptic number.
It is an amenable number.
1028314773 is a deficient number, since it is larger than the sum of its proper divisors (458531575).
1028314773 is a wasteful number, since it uses less digits than its factorization.
1028314773 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115604 (or 115601 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 1028314773 is about 32067.3474581232. The cubic root of 1028314773 is about 1009.3505523228.
The spelling of 1028314773 in words is "one billion, twenty-eight million, three hundred fourteen thousand, seven hundred seventy-three".
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