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82716164 = 2237558893
BaseRepresentation
bin1001110111000…
…10011000000100
312202122102020122
410323202120010
5132133404124
612112521112
72023034666
oct473423004
9182572218
1082716164
1142766973
1223850198
13141a179b
14adb2536
1573dd75e
hex4ee2604

82716164 has 12 divisors (see below), whose sum is σ = 148665804. Its totient is φ = 40240224.

The previous prime is 82716157. The next prime is 82716167. The reversal of 82716164 is 46161728.

It can be written as a sum of positive squares in 2 ways, for example, as 33154564 + 49561600 = 5758^2 + 7040^2 .

It is not an unprimeable number, because it can be changed into a prime (82716167) 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 3 ways as a sum of consecutive naturals, for example, 279299 + ... + 279594.

It is an arithmetic number, because the mean of its divisors is an integer number (12388817).

Almost surely, 282716164 is an apocalyptic number.

It is an amenable number.

82716164 is a deficient number, since it is larger than the sum of its proper divisors (65949640).

82716164 is a wasteful number, since it uses less digits than its factorization.

82716164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558934 (or 558932 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 82716164 is about 9094.8427144179. The cubic root of 82716164 is about 435.7092652549.

It can be divided in two parts, 8 and 2716164, that added together give a palindrome (2716172).

The spelling of 82716164 in words is "eighty-two million, seven hundred sixteen thousand, one hundred sixty-four".

Divisors: 1 2 4 37 74 148 558893 1117786 2235572 20679041 41358082 82716164