Base | Representation |
---|---|
bin | 1001000011111… |
… | …0100100010011 |
3 | 2122111212002000 |
4 | 2100332210103 |
5 | 34212130021 |
6 | 3434325043 |
7 | 641015532 |
oct | 220764423 |
9 | 78455060 |
10 | 38005011 |
11 | 1a4a8800 |
12 | 10889783 |
13 | 7b48795 |
14 | 5094319 |
15 | 350ab26 |
hex | 243e913 |
38005011 has 24 divisors (see below), whose sum is σ = 61892880. Its totient is φ = 23031360.
The previous prime is 38005007. The next prime is 38005049. The reversal of 38005011 is 11050083.
It is a happy number.
It is not a de Polignac number, because 38005011 - 22 = 38005007 is a prime.
It is a super-2 number, since 2×380050112 = 2888761722220242, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38005001) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2550 + ... + 9083.
It is an arithmetic number, because the mean of its divisors is an integer number (2578870).
Almost surely, 238005011 is an apocalyptic number.
38005011 is a deficient number, since it is larger than the sum of its proper divisors (23887869).
38005011 is a wasteful number, since it uses less digits than its factorization.
38005011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11664 (or 11647 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 38005011 is about 6164.8204353412. The cubic root of 38005011 is about 336.2123179766.
Adding to 38005011 its reverse (11050083), we get a palindrome (49055094).
The spelling of 38005011 in words is "thirty-eight million, five thousand, eleven".
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