48905 has 4 divisors (see below), whose sum is σ = 58692. Its totient is φ = 39120.
The previous prime is 48889. The next prime is 48907. The reversal of 48905 is 50984.
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 19321 + 29584 = 139^2 + 172^2 .
It is not a de Polignac number, because 48905 - 24 = 48889 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 15.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 48905.
It is not an unprimeable number, because it can be changed into a prime (48907) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4886 + ... + 4895.
It is an arithmetic number, because the mean of its divisors is an integer number (14673).
248905 is an apocalyptic number.
It is an amenable number.
48905 is a deficient number, since it is larger than the sum of its proper divisors (9787).
48905 is an equidigital number, since it uses as much as digits as its factorization.
48905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9786.
The product of its (nonzero) digits is 1440, while the sum is 26.
The square root of 48905 is about 221.1447489768. The cubic root of 48905 is about 36.5693932263.
The spelling of 48905 in words is "forty-eight thousand, nine hundred five".
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