Base | Representation |
---|---|
bin | 100000010011100… |
… | …0101001110111010 |
3 | 2210112201020110000 |
4 | 1000213011032322 |
5 | 4210000034444 |
6 | 255321333430 |
7 | 35601510405 |
oct | 10047051672 |
9 | 2715636400 |
10 | 1083986874 |
11 | 506978423 |
12 | 263037276 |
13 | 143765169 |
14 | a3d70d3c |
15 | 65271469 |
hex | 409c53ba |
1083986874 has 20 divisors (see below), whose sum is σ = 2428933914. Its totient is φ = 361328904.
The previous prime is 1083986873. The next prime is 1083986927. The reversal of 1083986874 is 4786893801.
It can be written as a sum of positive squares in only one way, i.e., 1034072649 + 49914225 = 32157^2 + 7065^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1083986874.
It is not an unprimeable number, because it can be changed into a prime (1083986873) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3345477 + ... + 3345800.
Almost surely, 21083986874 is an apocalyptic number.
1083986874 is an abundant number, since it is smaller than the sum of its proper divisors (1344947040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1083986874 is an equidigital number, since it uses as much as digits as its factorization.
1083986874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6691291 (or 6691282 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 54.
The square root of 1083986874 is about 32923.9559287762. The cubic root of 1083986874 is about 1027.2465100076.
The spelling of 1083986874 in words is "one billion, eighty-three million, nine hundred eighty-six thousand, eight hundred seventy-four".
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