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84008525 = 523360341
BaseRepresentation
bin1010000000111…
…01111001001101
312212002002000212
411000131321031
5133001233100
612200332205
72040026546
oct500357115
9185062025
1084008525
1143469937
1224174065
1314534ab3
14b22b4cd
157596635
hex501de4d

84008525 has 6 divisors (see below), whose sum is σ = 104170602. Its totient is φ = 67206800.

The previous prime is 84008501. The next prime is 84008527. The reversal of 84008525 is 52580048.

It can be written as a sum of positive squares in 3 ways, for example, as 487204 + 83521321 = 698^2 + 9139^2 .

It is not a de Polignac number, because 84008525 - 28 = 84008269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84008491 and 84008500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84008527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1680146 + ... + 1680195.

It is an arithmetic number, because the mean of its divisors is an integer number (17361767).

Almost surely, 284008525 is an apocalyptic number.

It is an amenable number.

84008525 is a deficient number, since it is larger than the sum of its proper divisors (20162077).

84008525 is a wasteful number, since it uses less digits than its factorization.

84008525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360351 (or 3360346 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 84008525 is about 9165.6164549909. The cubic root of 84008525 is about 437.9667291228.

The spelling of 84008525 in words is "eighty-four million, eight thousand, five hundred twenty-five".

Divisors: 1 5 25 3360341 16801705 84008525