Base | Representation |
---|---|
bin | 110101111000100… |
… | …0110111001110001 |
3 | 11200000010201100121 |
4 | 1223301012321301 |
5 | 12200324113231 |
6 | 455224250241 |
7 | 62543022232 |
oct | 15361067161 |
9 | 4600121317 |
10 | 1808035441 |
11 | 848652873 |
12 | 425610981 |
13 | 22a774674 |
14 | 1321a9089 |
15 | a8ae4311 |
hex | 6bc46e71 |
1808035441 has 9 divisors (see below), whose sum is σ = 1830461889. Its totient is φ = 1785882000.
The previous prime is 1808035417. The next prime is 1808035447. The reversal of 1808035441 is 1445308081.
The square root of 1808035441 is 42521.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 30569841 + 1777465600 = 5529^2 + 42160^2 .
It is not a de Polignac number, because 1808035441 - 29 = 1808034929 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1808035397 and 1808035406.
It is not an unprimeable number, because it can be changed into a prime (1808035447) 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 8 ways as a sum of consecutive naturals, for example, 4294411 + ... + 4294831.
Almost surely, 21808035441 is an apocalyptic number.
1808035441 is the 42521-st square number.
1808035441 is the 21261-st centered octagonal number.
It is an amenable number.
1808035441 is a deficient number, since it is larger than the sum of its proper divisors (22426448).
1808035441 is an frugal number, since it uses more digits than its factorization.
1808035441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1044 (or 522 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 34.
The cubic root of 1808035441 is about 1218.2478298424.
The spelling of 1808035441 in words is "one billion, eight hundred eight million, thirty-five thousand, four hundred forty-one".
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