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84549085 = 516909817
BaseRepresentation
bin1010000101000…
…01110111011101
312220002112112121
411002201313131
5133121032320
612220102541
72044440535
oct502416735
9186075477
1084549085
11437a8a85
1224394a51
1314693b5a
14b32c4c5
1576518aa
hex50a1ddd

84549085 has 4 divisors (see below), whose sum is σ = 101458908. Its totient is φ = 67639264.

The previous prime is 84549083. The next prime is 84549097. The reversal of 84549085 is 58094548.

It is a happy number.

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 23755876 + 60793209 = 4874^2 + 7797^2 .

It is a cyclic number.

It is not a de Polignac number, because 84549085 - 21 = 84549083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84549083) 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, 8454904 + ... + 8454913.

It is an arithmetic number, because the mean of its divisors is an integer number (25364727).

Almost surely, 284549085 is an apocalyptic number.

It is an amenable number.

84549085 is a deficient number, since it is larger than the sum of its proper divisors (16909823).

84549085 is a wasteful number, since it uses less digits than its factorization.

84549085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909822.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 84549085 is about 9195.0576398411. The cubic root of 84549085 is about 438.9040995162.

The spelling of 84549085 in words is "eighty-four million, five hundred forty-nine thousand, eighty-five".

Divisors: 1 5 16909817 84549085