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84063073 = 113743921
BaseRepresentation
bin1010000001010…
…11001101100001
312212011211212011
411000223031201
5133010004243
612201432521
72040344563
oct500531541
9185154764
1084063073
11434a6916
122419b741
1314553883
14b243333
1575a789d
hex502b361

84063073 has 4 divisors (see below), whose sum is σ = 84807108. Its totient is φ = 83319040.

The previous prime is 84063071. The next prime is 84063107. The reversal of 84063073 is 37036048.

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 28217344 + 55845729 = 5312^2 + 7473^2 .

It is a cyclic number.

It is not a de Polignac number, because 84063073 - 21 = 84063071 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84063071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371848 + ... + 372073.

It is an arithmetic number, because the mean of its divisors is an integer number (21201777).

Almost surely, 284063073 is an apocalyptic number.

It is an amenable number.

84063073 is a deficient number, since it is larger than the sum of its proper divisors (744035).

84063073 is a wasteful number, since it uses less digits than its factorization.

84063073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744034.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 84063073 is about 9168.5916584828. The cubic root of 84063073 is about 438.0615014103.

The spelling of 84063073 in words is "eighty-four million, sixty-three thousand, seventy-three".

Divisors: 1 113 743921 84063073