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834227689 = 17216992
BaseRepresentation
bin110001101110010…
…100110111101001
32011010202011020211
4301232110313221
53202030241224
6214440221121
726446550461
oct6156246751
92133664224
10834227689
11398999679
121b346a7a1
13103aa8269
147cb18ba1
154d388894
hex31b94de9

834227689 has 9 divisors (see below), whose sum is σ = 886708407. Its totient is φ = 784693344.

The previous prime is 834227663. The next prime is 834227711. The reversal of 834227689 is 986722438.

The square root of 834227689 is 28883.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 649485225 + 184742464 = 25485^2 + 13592^2 .

It is not a de Polignac number, because 834227689 - 211 = 834225641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834227629) 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 8 ways as a sum of consecutive naturals, for example, 490162 + ... + 491860.

Almost surely, 2834227689 is an apocalyptic number.

834227689 is the 28883-rd square number.

834227689 is the 14442-nd centered octagonal number.

It is an amenable number.

834227689 is a deficient number, since it is larger than the sum of its proper divisors (52480718).

834227689 is an frugal number, since it uses more digits than its factorization.

834227689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432 (or 1716 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The cubic root of 834227689 is about 941.3725568814.

Multiplying 834227689 by its sum of digits (49), we get a square (40877156761 = 2021812).

The spelling of 834227689 in words is "eight hundred thirty-four million, two hundred twenty-seven thousand, six hundred eighty-nine".

Divisors: 1 17 289 1699 28883 491011 2886601 49072217 834227689