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834239201 = 292991961
BaseRepresentation
bin110001101110010…
…111101011100001
32011010202202001012
4301232113223201
53202031123301
6214440350305
726446626155
oct6156275341
92133682035
10834239201
113989a7294
121b3475395
13103ab0583
147cb1d065
154d38bebb
hex31b97ae1

834239201 has 6 divisors (see below), whose sum is σ = 863998902. Its totient is φ = 805471520.

The previous prime is 834239191. The next prime is 834239207. The reversal of 834239201 is 102932438.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 400600225 + 433638976 = 20015^2 + 20824^2 .

It is a de Polignac number, because none of the positive numbers 2k-834239201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (834239207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495140 + ... + 496821.

It is an arithmetic number, because the mean of its divisors is an integer number (143999817).

Almost surely, 2834239201 is an apocalyptic number.

It is an amenable number.

834239201 is a deficient number, since it is larger than the sum of its proper divisors (29759701).

834239201 is an equidigital number, since it uses as much as digits as its factorization.

834239201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992019 (or 991990 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 834239201 is about 28883.1992860902. The cubic root of 834239201 is about 941.3768870466.

The spelling of 834239201 in words is "eight hundred thirty-four million, two hundred thirty-nine thousand, two hundred one".

Divisors: 1 29 841 991961 28766869 834239201