Base | Representation |
---|---|
bin | 111011110000110… |
… | …1000010010000100 |
3 | 12011202100000120021 |
4 | 1313201220102010 |
5 | 13101324220302 |
6 | 530552344524 |
7 | 100456543444 |
oct | 16741502204 |
9 | 5152300507 |
10 | 2005304452 |
11 | 939a3aa08 |
12 | 47b6a5144 |
13 | 25c5b38a8 |
14 | 15047a124 |
15 | bb0ae437 |
hex | 77868484 |
2005304452 has 24 divisors (see below), whose sum is σ = 3573008600. Its totient is φ = 984566016.
The previous prime is 2005304447. The next prime is 2005304453. The reversal of 2005304452 is 2544035002.
It can be written as a sum of positive squares in 4 ways, for example, as 1206450756 + 798853696 = 34734^2 + 28264^2 .
It is a super-2 number, since 2×20053044522 = 8042491890422040608, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2005304453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51874 + ... + 81862.
Almost surely, 22005304452 is an apocalyptic number.
It is an amenable number.
2005304452 is a deficient number, since it is larger than the sum of its proper divisors (1567704148).
2005304452 is a wasteful number, since it uses less digits than its factorization.
2005304452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30295 (or 30293 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 2005304452 is about 44780.6258553853. The cubic root of 2005304452 is about 1261.0339317248.
Adding to 2005304452 its reverse (2544035002), we get a palindrome (4549339454).
The spelling of 2005304452 in words is "two billion, five million, three hundred four thousand, four hundred fifty-two".
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