Base | Representation |
---|---|
bin | 1001010000000… |
… | …1111010001111 |
3 | 2201000111122020 |
4 | 2110001322033 |
5 | 34413231020 |
6 | 3503421223 |
7 | 650560335 |
oct | 224017217 |
9 | 81014566 |
10 | 38805135 |
11 | 1a9a4966 |
12 | 10bb4813 |
13 | 8068a25 |
14 | 5221b55 |
15 | 3617c40 |
hex | 2501e8f |
38805135 has 32 divisors (see below), whose sum is σ = 67288320. Its totient is φ = 19020288.
The previous prime is 38805061. The next prime is 38805139. The reversal of 38805135 is 53150883.
It is not a de Polignac number, because 38805135 - 27 = 38805007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38805096 and 38805105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38805139) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9196 + ... + 12734.
It is an arithmetic number, because the mean of its divisors is an integer number (2102760).
Almost surely, 238805135 is an apocalyptic number.
38805135 is a deficient number, since it is larger than the sum of its proper divisors (28483185).
38805135 is a wasteful number, since it uses less digits than its factorization.
38805135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3607.
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 38805135 is about 6229.3767746059. The cubic root of 38805135 is about 338.5553903686. Note that the first 3 decimals are identical.
The spelling of 38805135 in words is "thirty-eight million, eight hundred five thousand, one hundred thirty-five".
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