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834536689 = 7217031361
BaseRepresentation
bin110001101111100…
…000010011110001
32011011022212010021
4301233200103301
53202120133224
6214451003441
726452305400
oct6157402361
92134285107
10834536689
1139908a848
121b3599581
13103b85abc
147cb99637
154d3ea1e4
hex31be04f1

834536689 has 6 divisors (see below), whose sum is σ = 970787634. Its totient is φ = 715317120.

The previous prime is 834536663. The next prime is 834536711. The reversal of 834536689 is 986635438.

834536689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 762201664 + 72335025 = 27608^2 + 8505^2 .

It is not a de Polignac number, because 834536689 - 225 = 800982257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834536789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8515632 + ... + 8515729.

It is an arithmetic number, because the mean of its divisors is an integer number (161797939).

Almost surely, 2834536689 is an apocalyptic number.

It is an amenable number.

834536689 is a deficient number, since it is larger than the sum of its proper divisors (136250945).

834536689 is a wasteful number, since it uses less digits than its factorization.

834536689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17031375 (or 17031368 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 834536689 is about 28888.3486720858. The cubic root of 834536689 is about 941.4887714419.

The spelling of 834536689 in words is "eight hundred thirty-four million, five hundred thirty-six thousand, six hundred eighty-nine".

Divisors: 1 7 49 17031361 119219527 834536689