Base | Representation |
---|---|
bin | 1001010000001… |
… | …0000100001111 |
3 | 2201000112111221 |
4 | 2110002010033 |
5 | 34413241100 |
6 | 3503424211 |
7 | 650562241 |
oct | 224020417 |
9 | 81015457 |
10 | 38805775 |
11 | 1a9a5398 |
12 | 10bb5067 |
13 | 80690c8 |
14 | 5222091 |
15 | 361801a |
hex | 250210f |
38805775 has 12 divisors (see below), whose sum is σ = 48936600. Its totient is φ = 30517280.
The previous prime is 38805773. The next prime is 38805787. The reversal of 38805775 is 57750883.
It is not a de Polignac number, because 38805775 - 21 = 38805773 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38805773) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11680 + ... + 14629.
It is an arithmetic number, because the mean of its divisors is an integer number (4078050).
Almost surely, 238805775 is an apocalyptic number.
38805775 is a deficient number, since it is larger than the sum of its proper divisors (10130825).
38805775 is a wasteful number, since it uses less digits than its factorization.
38805775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26378 (or 26373 counting only the distinct ones).
The product of its (nonzero) digits is 235200, while the sum is 43.
The square root of 38805775 is about 6229.4281438989. The cubic root of 38805775 is about 338.5572515850.
The spelling of 38805775 in words is "thirty-eight million, eight hundred five thousand, seven hundred seventy-five".
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