Base | Representation |
---|---|
bin | 111011110000101… |
… | …0100111000100000 |
3 | 12011202011222120022 |
4 | 1313201110320200 |
5 | 13101314144432 |
6 | 530550533012 |
7 | 100456063001 |
oct | 16741247040 |
9 | 5152158508 |
10 | 2005224992 |
11 | 939996241 |
12 | 47b667168 |
13 | 25c586684 |
14 | 1504591a8 |
15 | bb095b12 |
hex | 77854e20 |
2005224992 has 48 divisors (see below), whose sum is σ = 3981360600. Its totient is φ = 994129920.
The previous prime is 2005224973. The next prime is 2005224997. The reversal of 2005224992 is 2994225002.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1496451856 + 508773136 = 38684^2 + 22556^2 .
It is not an unprimeable number, because it can be changed into a prime (2005224997) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418434 + ... + 2419262.
Almost surely, 22005224992 is an apocalyptic number.
It is an amenable number.
2005224992 is a deficient number, since it is larger than the sum of its proper divisors (1976135608).
2005224992 is a wasteful number, since it uses less digits than its factorization.
2005224992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1389 (or 1381 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 2005224992 is about 44779.7386325557. The cubic root of 2005224992 is about 1261.0172753878.
Adding to 2005224992 its reverse (2994225002), we get a palindrome (4999449994).
The spelling of 2005224992 in words is "two billion, five million, two hundred twenty-four thousand, nine hundred ninety-two".
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