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84530115 = 335718819
BaseRepresentation
bin1010000100111…
…01001111000011
312220001120112000
411002131033003
5133114430430
612215435043
72044331325
oct502351703
9186046460
1084530115
11437957aa
1224385a83
1314688327
14b325615
15764ae60
hex509d3c3

84530115 has 32 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 44442720.

The previous prime is 84530093. The next prime is 84530141. The reversal of 84530115 is 51103548.

It is not a de Polignac number, because 84530115 - 29 = 84529603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5176 + ... + 13994.

It is an arithmetic number, because the mean of its divisors is an integer number (4762800).

Almost surely, 284530115 is an apocalyptic number.

84530115 is a deficient number, since it is larger than the sum of its proper divisors (67879485).

84530115 is a wasteful number, since it uses less digits than its factorization.

84530115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904 (or 8898 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 84530115 is about 9194.0260495607. The cubic root of 84530115 is about 438.8712719047.

The spelling of 84530115 in words is "eighty-four million, five hundred thirty thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 27 45 71 135 213 355 639 1065 1917 3195 8819 9585 26457 44095 79371 132285 238113 396855 626149 1190565 1878447 3130745 5635341 9392235 16906023 28176705 84530115