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84116740 = 2254205837
BaseRepresentation
bin1010000001110…
…00010100000100
312212021120110211
411000320110010
5133013213430
612202525204
72040660211
oct500702404
9185246424
1084116740
1143533174
1224206804
1314572126
14b258b08
1575b872a
hex5038504

84116740 has 12 divisors (see below), whose sum is σ = 176645196. Its totient is φ = 33646688.

The previous prime is 84116719. The next prime is 84116741. The reversal of 84116740 is 4761148.

It can be written as a sum of positive squares in 2 ways, for example, as 32535616 + 51581124 = 5704^2 + 7182^2 .

It is not an unprimeable number, because it can be changed into a prime (84116741) 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, 2102899 + ... + 2102938.

It is an arithmetic number, because the mean of its divisors is an integer number (14720433).

Almost surely, 284116740 is an apocalyptic number.

It is an amenable number.

84116740 is an abundant number, since it is smaller than the sum of its proper divisors (92528456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84116740 is a wasteful number, since it uses less digits than its factorization.

84116740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205846 (or 4205844 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 84116740 is about 9171.5178678341. The cubic root of 84116740 is about 438.1547030370.

Adding to 84116740 its reverse (4761148), we get a palindrome (88877888).

It can be divided in two parts, 8411 and 6740, that added together give a palindrome (15151).

The spelling of 84116740 in words is "eighty-four million, one hundred sixteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 4205837 8411674 16823348 21029185 42058370 84116740