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82608687 = 337437083
BaseRepresentation
bin1001110110010…
…00001000101111
312202102221211000
410323020020233
5132121434222
612110331343
72022106440
oct473101057
9182387730
1082608687
11426a3147
12237b9b53
13141648a5
14ad852c7
1573bb9ac
hex4ec822f

82608687 has 16 divisors (see below), whose sum is σ = 139866880. Its totient is φ = 47204856.

The previous prime is 82608667. The next prime is 82608697. The reversal of 82608687 is 78680628.

It is not a de Polignac number, because 82608687 - 26 = 82608623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82608667) 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 15 ways as a sum of consecutive naturals, for example, 218353 + ... + 218730.

It is an arithmetic number, because the mean of its divisors is an integer number (8741680).

Almost surely, 282608687 is an apocalyptic number.

82608687 is a deficient number, since it is larger than the sum of its proper divisors (57258193).

82608687 is a wasteful number, since it uses less digits than its factorization.

82608687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437099 (or 437093 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 82608687 is about 9088.9321154908. The cubic root of 82608687 is about 435.5204709518.

The spelling of 82608687 in words is "eighty-two million, six hundred eight thousand, six hundred eighty-seven".

Divisors: 1 3 7 9 21 27 63 189 437083 1311249 3059581 3933747 9178743 11801241 27536229 82608687