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49085 = 59817
BaseRepresentation
bin1011111110111101
32111022222
423332331
53032320
61015125
7263051
oct137675
974288
1049085
1133973
12244a5
131945a
1413c61
15e825
hexbfbd

49085 has 4 divisors (see below), whose sum is σ = 58908. Its totient is φ = 39264.

The previous prime is 49081. The next prime is 49103. The reversal of 49085 is 58094.

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 37636 + 11449 = 194^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 49085 - 22 = 49081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49081) 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, 4904 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (14727).

249085 is an apocalyptic number.

It is an amenable number.

49085 is a deficient number, since it is larger than the sum of its proper divisors (9823).

49085 is an equidigital number, since it uses as much as digits as its factorization.

49085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 49085 is about 221.5513484500. The cubic root of 49085 is about 36.6142041278.

Subtracting 49085 from its reverse (58094), we obtain a palindrome (9009).

It can be divided in two parts, 4908 and 5, that added together give a cube (4913 = 173).

The spelling of 49085 in words is "forty-nine thousand, eighty-five".

Divisors: 1 5 9817 49085