Base | Representation |
---|---|
bin | 1001001111101… |
… | …0100101000001 |
3 | 2200221222110000 |
4 | 2103322211001 |
5 | 34411300410 |
6 | 3503030213 |
7 | 650403645 |
oct | 223724501 |
9 | 80858400 |
10 | 38775105 |
11 | 1a984346 |
12 | 10b9b369 |
13 | 8058165 |
14 | 5214c25 |
15 | 360ddc0 |
hex | 24fa941 |
38775105 has 40 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 19587744.
The previous prime is 38775103. The next prime is 38775119. The reversal of 38775105 is 50157783.
It is not a de Polignac number, because 38775105 - 21 = 38775103 is a prime.
It is a super-2 number, since 2×387751052 = 3007017535522050, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 38775105.
It is not an unprimeable number, because it can be changed into a prime (38775103) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5176 + ... + 10214.
It is an arithmetic number, because the mean of its divisors is an integer number (1829520).
Almost surely, 238775105 is an apocalyptic number.
It is an amenable number.
38775105 is a deficient number, since it is larger than the sum of its proper divisors (34405695).
38775105 is a wasteful number, since it uses less digits than its factorization.
38775105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5075 (or 5066 counting only the distinct ones).
The product of its (nonzero) digits is 29400, while the sum is 36.
The square root of 38775105 is about 6226.9659546203. The cubic root of 38775105 is about 338.4680355886.
The spelling of 38775105 in words is "thirty-eight million, seven hundred seventy-five thousand, one hundred five".
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