Base | Representation |
---|---|
bin | 100000011010111… |
… | …0000101100000001 |
3 | 2210210221201220210 |
4 | 1000311300230001 |
5 | 4211441204011 |
6 | 255540024333 |
7 | 35646305160 |
oct | 10065605401 |
9 | 2723851823 |
10 | 1087834881 |
11 | 5090664a1 |
12 | 2643920a9 |
13 | 1444b17a3 |
14 | a46933d7 |
15 | 657816a6 |
hex | 40d70b01 |
1087834881 has 16 divisors (see below), whose sum is σ = 1692923904. Its totient is φ = 608393424.
The previous prime is 1087834859. The next prime is 1087834889. The reversal of 1087834881 is 1884387801.
It is not a de Polignac number, because 1087834881 - 218 = 1087572737 is a prime.
It is a super-2 number, since 2×10878348812 = 2366769456640568322, which contains 22 as substring.
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 1087834881.
It is not an unprimeable number, because it can be changed into a prime (1087834889) 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 in 15 ways as a sum of consecutive naturals, for example, 550095 + ... + 552068.
It is an arithmetic number, because the mean of its divisors is an integer number (105807744).
Almost surely, 21087834881 is an apocalyptic number.
It is an amenable number.
1087834881 is a deficient number, since it is larger than the sum of its proper divisors (605089023).
1087834881 is a wasteful number, since it uses less digits than its factorization.
1087834881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1102220.
The product of its (nonzero) digits is 344064, while the sum is 48.
The square root of 1087834881 is about 32982.3419574778. The cubic root of 1087834881 is about 1028.4606033068.
The spelling of 1087834881 in words is "one billion, eighty-seven million, eight hundred thirty-four thousand, eight hundred eighty-one".
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