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82584064 = 291011597
BaseRepresentation
bin1001110110000…
…10001000000000
312202101201001001
410323002020000
5132120142224
612110021344
72021644603
oct473021000
9182351031
1082584064
11426866a2
12237a7854
1314156614
14ad7a33a
1573b4544
hex4ec2200

82584064 has 40 divisors (see below), whose sum is σ = 166744908. Its totient is φ = 40857600.

The previous prime is 82584023. The next prime is 82584067. The reversal of 82584064 is 46048528.

It can be written as a sum of positive squares in 2 ways, for example, as 81144064 + 1440000 = 9008^2 + 1200^2 .

It is a super-3 number, since 3×825840643 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (82584067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50914 + ... + 52510.

Almost surely, 282584064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82584064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83372454).

82584064 is an abundant number, since it is smaller than the sum of its proper divisors (84160844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82584064 is a wasteful number, since it uses less digits than its factorization.

82584064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 82584064 is about 9087.5774549657. The cubic root of 82584064 is about 435.4771950906.

The spelling of 82584064 in words is "eighty-two million, five hundred eighty-four thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 101 128 202 256 404 512 808 1597 1616 3194 3232 6388 6464 12776 12928 25552 25856 51104 51712 102208 161297 204416 322594 408832 645188 817664 1290376 2580752 5161504 10323008 20646016 41292032 82584064