Base | Representation |
---|---|
bin | 1001000101011… |
… | …1001011001011 |
3 | 2122200222100001 |
4 | 2101113023023 |
5 | 34223341203 |
6 | 3440423431 |
7 | 641615431 |
oct | 221271313 |
9 | 78628301 |
10 | 38105803 |
11 | 1a5674aa |
12 | 10917b77 |
13 | 7b82618 |
14 | 50bcd51 |
15 | 352a91d |
hex | 24572cb |
38105803 has 4 divisors (see below), whose sum is σ = 38462040. Its totient is φ = 37749568.
The previous prime is 38105801. The next prime is 38105813. The reversal of 38105803 is 30850183.
38105803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38105803 - 21 = 38105801 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38105801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177958 + ... + 178171.
It is an arithmetic number, because the mean of its divisors is an integer number (9615510).
Almost surely, 238105803 is an apocalyptic number.
38105803 is a deficient number, since it is larger than the sum of its proper divisors (356237).
38105803 is a wasteful number, since it uses less digits than its factorization.
38105803 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 356236.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 38105803 is about 6172.9897942569. The cubic root of 38105803 is about 336.5092752967.
Adding to 38105803 its reverse (30850183), we get a palindrome (68955986).
The spelling of 38105803 in words is "thirty-eight million, one hundred five thousand, eight hundred three".
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