48215 has 4 divisors (see below), whose sum is σ = 57864. Its totient is φ = 38568.
The previous prime is 48197. The next prime is 48221. The reversal of 48215 is 51284.
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 48215 - 212 = 44119 is a prime.
It is a Duffinian number.
It is a plaindrome in base 14.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 48215.
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, 4817 + ... + 4826.
It is an arithmetic number, because the mean of its divisors is an integer number (14466).
248215 is an apocalyptic number.
48215 is a deficient number, since it is larger than the sum of its proper divisors (9649).
48215 is an equidigital number, since it uses as much as digits as its factorization.
48215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9648.
The product of its digits is 320, while the sum is 20.
The square root of 48215 is about 219.5791429075. The cubic root of 48215 is about 36.3965922825.
Subtracting from 48215 its product of digits (320), we obtain a triangular number (47895 = T309).
Adding to 48215 its reverse (51284), we get a palindrome (99499).
The spelling of 48215 in words is "forty-eight thousand, two hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •