Search a number
-
+
82624660 = 2259374409
BaseRepresentation
bin1001110110011…
…00000010010100
312202110202201121
410323030002110
5132122442120
612110533324
72022204136
oct473140224
9182422647
1082624660
1142704148
1223807244
131416bc41
14ad8b056
1573c15aa
hex4ecc094

82624660 has 24 divisors (see below), whose sum is σ = 173736360. Its totient is φ = 33007104.

The previous prime is 82624631. The next prime is 82624687. The reversal of 82624660 is 6642628.

It can be written as a sum of positive squares in 4 ways, for example, as 3556996 + 79067664 = 1886^2 + 8892^2 .

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 16536 + ... + 20944.

It is an arithmetic number, because the mean of its divisors is an integer number (7239015).

Almost surely, 282624660 is an apocalyptic number.

It is an amenable number.

82624660 is an abundant number, since it is smaller than the sum of its proper divisors (91111700).

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

82624660 is a wasteful number, since it uses less digits than its factorization.

82624660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355 (or 5353 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 82624660 is about 9089.8107791087. The cubic root of 82624660 is about 435.5485395097.

The spelling of 82624660 in words is "eighty-two million, six hundred twenty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 937 1874 3748 4409 4685 8818 9370 17636 18740 22045 44090 88180 4131233 8262466 16524932 20656165 41312330 82624660