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82747107 = 3239723159
BaseRepresentation
bin1001110111010…
…01111011100011
312202200222200200
410323221323203
5132140401412
612113320243
72023224132
oct473517343
9182628620
1082747107
1142788143
1223866083
13141b28b1
14adbd919
1573e79dc
hex4ee9ee3

82747107 has 12 divisors (see below), whose sum is σ = 119829840. Its totient is φ = 55023408.

The previous prime is 82747103. The next prime is 82747183. The reversal of 82747107 is 70174728.

It is not a de Polignac number, because 82747107 - 22 = 82747103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82747103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8007 + ... + 15152.

It is an arithmetic number, because the mean of its divisors is an integer number (9985820).

Almost surely, 282747107 is an apocalyptic number.

82747107 is a deficient number, since it is larger than the sum of its proper divisors (37082733).

82747107 is a wasteful number, since it uses less digits than its factorization.

82747107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23562 (or 23559 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 82747107 is about 9096.5436842792. The cubic root of 82747107 is about 435.7635894656.

The spelling of 82747107 in words is "eighty-two million, seven hundred forty-seven thousand, one hundred seven".

Divisors: 1 3 9 397 1191 3573 23159 69477 208431 9194123 27582369 82747107