Search a number
-
+
82790764 = 2272956813
BaseRepresentation
bin1001110111101…
…00100101101100
312202210012120121
410323310211230
5132143301024
612114254324
72023465330
oct473644554
9182705517
1082790764
1142807a21
12238873a4
13141c9724
14add17c0
1574058e4
hex4ef496c

82790764 has 12 divisors (see below), whose sum is σ = 165581584. Its totient is φ = 35481744.

The previous prime is 82790753. The next prime is 82790779. The reversal of 82790764 is 46709728.

82790764 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 82790764.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478379 + ... + 1478434.

Almost surely, 282790764 is an apocalyptic number.

It is an amenable number.

82790764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82790764 is a wasteful number, since it uses less digits than its factorization.

82790764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956824 (or 2956822 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 82790764 is about 9098.9430155376. The cubic root of 82790764 is about 435.8402116261.

The spelling of 82790764 in words is "eighty-two million, seven hundred ninety thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 2956813 5913626 11827252 20697691 41395382 82790764