Base | Representation |
---|---|
bin | 111011110010001… |
… | …0010011100100101 |
3 | 12011210122102122211 |
4 | 1313210102130211 |
5 | 13102014021240 |
6 | 531015323421 |
7 | 100465505500 |
oct | 16744223445 |
9 | 5153572584 |
10 | 2006001445 |
11 | 93a376638 |
12 | 47b980571 |
13 | 25c798c06 |
14 | 1505bc137 |
15 | bb19abea |
hex | 77912725 |
2006001445 has 24 divisors (see below), whose sum is σ = 2964938904. Its totient is φ = 1294626816.
The previous prime is 2006001433. The next prime is 2006001463. The reversal of 2006001445 is 5441006002.
It can be written as a sum of positive squares in 4 ways, for example, as 132756484 + 1873244961 = 11522^2 + 43281^2 .
It is not a de Polignac number, because 2006001445 - 27 = 2006001317 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236652 + ... + 244981.
It is an arithmetic number, because the mean of its divisors is an integer number (123539121).
Almost surely, 22006001445 is an apocalyptic number.
It is an amenable number.
2006001445 is a deficient number, since it is larger than the sum of its proper divisors (958937459).
2006001445 is a wasteful number, since it uses less digits than its factorization.
2006001445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 481669 (or 481662 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 2006001445 is about 44788.4074845266. The cubic root of 2006001445 is about 1261.1800159450.
Adding to 2006001445 its reverse (5441006002), we get a palindrome (7447007447).
The spelling of 2006001445 in words is "two billion, six million, one thousand, four hundred forty-five".
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