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841085 = 5723433
BaseRepresentation
bin11001101010101111101
31120201202022
43031111331
5203403320
630005525
710102100
oct3152575
91521668
10841085
11524a13
123468a5
13235aab
1417c737
15119325
hexcd57d

841085 has 12 divisors (see below), whose sum is σ = 1174428. Its totient is φ = 576576.

The previous prime is 841081. The next prime is 841091. The reversal of 841085 is 580148.

It can be written as a sum of positive squares in 2 ways, for example, as 290521 + 550564 = 539^2 + 742^2 .

It is not a de Polignac number, because 841085 - 22 = 841081 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841081) 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 11 ways as a sum of consecutive naturals, for example, 1472 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (97869).

2841085 is an apocalyptic number.

It is an amenable number.

841085 is a deficient number, since it is larger than the sum of its proper divisors (333343).

841085 is a wasteful number, since it uses less digits than its factorization.

841085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 841085 is about 917.1068640022. The cubic root of 841085 is about 94.3944867148.

The spelling of 841085 in words is "eight hundred forty-one thousand, eighty-five".

Divisors: 1 5 7 35 49 245 3433 17165 24031 120155 168217 841085