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49985 = 513769
BaseRepresentation
bin1100001101000001
32112120022
430031001
53044420
61023225
7265505
oct141501
975508
1049985
1134611
1224b15
13199a0
1414305
15ec25
hexc341

49985 has 8 divisors (see below), whose sum is σ = 64680. Its totient is φ = 36864.

The previous prime is 49957. The next prime is 49991. The reversal of 49985 is 58994.

It can be written as a sum of positive squares in 4 ways, for example, as 256 + 49729 = 16^2 + 223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49985 - 26 = 49921 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320 + ... + 449.

It is an arithmetic number, because the mean of its divisors is an integer number (8085).

249985 is an apocalyptic number.

It is an amenable number.

49985 is a deficient number, since it is larger than the sum of its proper divisors (14695).

49985 is a wasteful number, since it uses less digits than its factorization.

49985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its digits is 12960, while the sum is 35.

The square root of 49985 is about 223.5732542144. The cubic root of 49985 is about 36.8366305864.

Subtracting 49985 from its reverse (58994), we obtain a palindrome (9009).

The spelling of 49985 in words is "forty-nine thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 769 3845 9997 49985