Base | Representation |
---|---|
bin | 111111011110011… |
… | …001001000000001 |
3 | 2202012212010212001 |
4 | 333132121020001 |
5 | 4140110304331 |
6 | 253401104001 |
7 | 35250525361 |
oct | 7736311001 |
9 | 2665763761 |
10 | 1064931841 |
11 | 4a7143066 |
12 | 258788001 |
13 | 13c822bac |
14 | a16109a1 |
15 | 6375a561 |
hex | 3f799201 |
1064931841 has 4 divisors (see below), whose sum is σ = 1065759300. Its totient is φ = 1064104384.
The previous prime is 1064931821. The next prime is 1064931869. The reversal of 1064931841 is 1481394601.
1064931841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1481394601 = 3559 ⋅416239.
It can be written as a sum of positive squares in 2 ways, for example, as 416160000 + 648771841 = 20400^2 + 25471^2 .
It is a cyclic number.
It is not a de Polignac number, because 1064931841 - 27 = 1064931713 is a prime.
It is a super-2 number, since 2×10649318412 = 2268159651951298562, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1064931841.
It is not an unprimeable number, because it can be changed into a prime (1064931821) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411796 + ... + 414373.
It is an arithmetic number, because the mean of its divisors is an integer number (266439825).
Almost surely, 21064931841 is an apocalyptic number.
It is an amenable number.
1064931841 is a deficient number, since it is larger than the sum of its proper divisors (827459).
1064931841 is an equidigital number, since it uses as much as digits as its factorization.
1064931841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 827458.
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 1064931841 is about 32633.2934439661. The cubic root of 1064931841 is about 1021.1916870903.
The spelling of 1064931841 in words is "one billion, sixty-four million, nine hundred thirty-one thousand, eight hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •