49115 has 16 divisors (see below), whose sum is σ = 69120. Its totient is φ = 33120.
The previous prime is 49109. The next prime is 49117. The reversal of 49115 is 51194.
It is not a de Polignac number, because 49115 - 28 = 48859 is a prime.
It is a nialpdrome in base 9.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 49115.
It is not an unprimeable number, because it can be changed into a prime (49117) 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 15 ways as a sum of consecutive naturals, for example, 1022 + ... + 1068.
It is an arithmetic number, because the mean of its divisors is an integer number (4320).
249115 is an apocalyptic number.
49115 is a deficient number, since it is larger than the sum of its proper divisors (20005).
49115 is a wasteful number, since it uses less digits than its factorization.
49115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82.
The product of its digits is 180, while the sum is 20.
The square root of 49115 is about 221.6190425031. The cubic root of 49115 is about 36.6216619555.
It can be divided in two parts, 4 and 9115, that added together give a palindrome (9119).
The spelling of 49115 in words is "forty-nine thousand, one hundred fifteen".
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