Base | Representation |
---|---|
bin | 1001001101011… |
… | …0101100001001 |
3 | 2200200111210120 |
4 | 2103112230021 |
5 | 34342044410 |
6 | 3455533453 |
7 | 646222245 |
oct | 223265411 |
9 | 80614716 |
10 | 38628105 |
11 | 1a89395a |
12 | 10b2a289 |
13 | 8006289 |
14 | 51b7425 |
15 | 35d0570 |
hex | 24d6b09 |
38628105 has 16 divisors (see below), whose sum is σ = 61897920. Its totient is φ = 20570688.
The previous prime is 38628103. The next prime is 38628127. The reversal of 38628105 is 50182683.
It is a happy number.
It is not a de Polignac number, because 38628105 - 21 = 38628103 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38628103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11286 + ... + 14304.
It is an arithmetic number, because the mean of its divisors is an integer number (3868620).
Almost surely, 238628105 is an apocalyptic number.
It is an amenable number.
38628105 is a deficient number, since it is larger than the sum of its proper divisors (23269815).
38628105 is a wasteful number, since it uses less digits than its factorization.
38628105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3880.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 38628105 is about 6215.1512451428. The cubic root of 38628105 is about 338.0397727552.
The spelling of 38628105 in words is "thirty-eight million, six hundred twenty-eight thousand, one hundred five".
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