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84063825 = 345241513
BaseRepresentation
bin1010000001010…
…11011001010001
312212011212220000
411000223121101
5133010020300
612201440213
72040350016
oct500533121
9185155800
1084063825
11434a743a
12241a0069
1314554011
14b24370d
1575a7c00
hex502b651

84063825 has 30 divisors (see below), whose sum is σ = 155719014. Its totient is φ = 44832960.

The previous prime is 84063803. The next prime is 84063829. The reversal of 84063825 is 52836048.

It can be written as a sum of positive squares in 3 ways, for example, as 11881809 + 72182016 = 3447^2 + 8496^2 .

It is not a de Polignac number, because 84063825 - 28 = 84063569 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 84063825.

It is not an unprimeable number, because it can be changed into a prime (84063829) 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 29 ways as a sum of consecutive naturals, for example, 18732 + ... + 22781.

Almost surely, 284063825 is an apocalyptic number.

It is an amenable number.

84063825 is a deficient number, since it is larger than the sum of its proper divisors (71655189).

84063825 is a wasteful number, since it uses less digits than its factorization.

84063825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41535 (or 41521 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 84063825 is about 9168.6326679609. The cubic root of 84063825 is about 438.0628076567.

The spelling of 84063825 in words is "eighty-four million, sixty-three thousand, eight hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 41513 124539 207565 373617 622695 1037825 1120851 1868085 3113475 3362553 5604255 9340425 16812765 28021275 84063825