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82016512 = 28320377
BaseRepresentation
bin1001110001101…
…11100100000000
312201022212111121
410320313210000
5131444012022
612045522024
72014062124
oct470674400
9181285447
1082016512
1142329246
1223573314
1313cb81a6
14ac6d584
1573012c7
hex4e37900

82016512 has 18 divisors (see below), whose sum is σ = 163713158. Its totient is φ = 41008128.

The previous prime is 82016503. The next prime is 82016527. The reversal of 82016512 is 21561028.

It can be written as a sum of positive squares in only one way, i.e., 72182016 + 9834496 = 8496^2 + 3136^2 .

It is a super-2 number, since 2×820165122 = 13453416481292288, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 159933 + ... + 160444.

Almost surely, 282016512 is an apocalyptic number.

It is an amenable number.

82016512 is a deficient number, since it is larger than the sum of its proper divisors (81696646).

82016512 is an equidigital number, since it uses as much as digits as its factorization.

82016512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320393 (or 320379 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 82016512 is about 9056.2968149239. The cubic root of 82016512 is about 434.4773076272.

It can be divided in two parts, 82016 and 512, that added together give a palindrome (82528).

The spelling of 82016512 in words is "eighty-two million, sixteen thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 256 320377 640754 1281508 2563016 5126032 10252064 20504128 41008256 82016512