38105 has 4 divisors (see below), whose sum is σ = 45732. Its totient is φ = 30480.
The previous prime is 38083. The next prime is 38113. The reversal of 38105 is 50183.
38105 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 can be written as a sum of positive squares in 2 ways, for example, as 24649 + 13456 = 157^2 + 116^2 .
It is a de Polignac number, because none of the positive numbers 2k-38105 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
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, 3806 + ... + 3815.
It is an arithmetic number, because the mean of its divisors is an integer number (11433).
238105 is an apocalyptic number.
It is an amenable number.
38105 is a deficient number, since it is larger than the sum of its proper divisors (7627).
38105 is an equidigital number, since it uses as much as digits as its factorization.
38105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7626.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 38105 is about 195.2050204272. The cubic root of 38105 is about 33.6506911537.
Adding to 38105 its reverse (50183), we get a palindrome (88288).
The spelling of 38105 in words is "thirty-eight thousand, one hundred five".
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