Search a number
-
+
82468786 = 2163725189
BaseRepresentation
bin1001110101001…
…01111110110010
312202011211220111
410322211332302
5132103000121
612103331534
72020654531
oct472457662
9182154814
1082468786
1142608024
1223750baa
1314115cca
14ad4a318
1573902e1
hex4ea5fb2

82468786 has 8 divisors (see below), whose sum is σ = 123783660. Its totient is φ = 41207568.

The previous prime is 82468783. The next prime is 82468787. The reversal of 82468786 is 68786428.

It can be written as a sum of positive squares in 2 ways, for example, as 82464561 + 4225 = 9081^2 + 65^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×824687862 = 13602201328627592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82468781) 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, 9321 + ... + 15868.

Almost surely, 282468786 is an apocalyptic number.

82468786 is a deficient number, since it is larger than the sum of its proper divisors (41314874).

82468786 is a wasteful number, since it uses less digits than its factorization.

82468786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26828.

The product of its digits is 1032192, while the sum is 49.

The square root of 82468786 is about 9081.2326255856. The cubic root of 82468786 is about 435.2744751223.

The spelling of 82468786 in words is "eighty-two million, four hundred sixty-eight thousand, seven hundred eighty-six".

Divisors: 1 2 1637 3274 25189 50378 41234393 82468786