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841361 = 4120521
BaseRepresentation
bin11001101011010010001
31120202010112
43031122101
5203410421
630011105
710102643
oct3153221
91522115
10841361
11525144
12346a95
13235c61
1417c893
1511945b
hexcd691

841361 has 4 divisors (see below), whose sum is σ = 861924. Its totient is φ = 820800.

The previous prime is 841349. The next prime is 841369. The reversal of 841361 is 163148.

841361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 250000 + 591361 = 500^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 841361 - 26 = 841297 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 841361.

It is not an unprimeable number, because it can be changed into a prime (841369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10220 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (215481).

2841361 is an apocalyptic number.

It is an amenable number.

841361 is a deficient number, since it is larger than the sum of its proper divisors (20563).

841361 is a wasteful number, since it uses less digits than its factorization.

841361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20562.

The product of its digits is 576, while the sum is 23.

The square root of 841361 is about 917.2573248549. The cubic root of 841361 is about 94.4048106928.

It can be divided in two parts, 841 and 361, that multiplied together give a square (303601 = 5512).

The spelling of 841361 in words is "eight hundred forty-one thousand, three hundred sixty-one".

Divisors: 1 41 20521 841361