Base | Representation |
---|---|
bin | 1001001101011… |
… | …1111110000001 |
3 | 2200200202222122 |
4 | 2103113332001 |
5 | 34342231340 |
6 | 3500014025 |
7 | 646243442 |
oct | 223277601 |
9 | 80622878 |
10 | 38633345 |
11 | 1a897893 |
12 | 10b31315 |
13 | 800878a |
14 | 51b92c9 |
15 | 35d1db5 |
hex | 24d7f81 |
38633345 has 4 divisors (see below), whose sum is σ = 46360020. Its totient is φ = 30906672.
The previous prime is 38633323. The next prime is 38633359. The reversal of 38633345 is 54333683.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54333683 = 17 ⋅3196099.
It can be written as a sum of positive squares in 2 ways, for example, as 7974976 + 30658369 = 2824^2 + 5537^2 .
It is a cyclic number.
It is not a de Polignac number, because 38633345 - 26 = 38633281 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3863330 + ... + 3863339.
It is an arithmetic number, because the mean of its divisors is an integer number (11590005).
Almost surely, 238633345 is an apocalyptic number.
It is an amenable number.
38633345 is a deficient number, since it is larger than the sum of its proper divisors (7726675).
38633345 is an equidigital number, since it uses as much as digits as its factorization.
38633345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7726674.
The product of its digits is 77760, while the sum is 35.
The square root of 38633345 is about 6215.5727813292. The cubic root of 38633345 is about 338.0550573803.
The spelling of 38633345 in words is "thirty-eight million, six hundred thirty-three thousand, three hundred forty-five".
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