Search a number
-
+
80844128 = 2541431433
BaseRepresentation
bin1001101000110…
…01010101100000
312122010022021222
410310121111200
5131144003003
612004434212
72001110111
oct464312540
9178108258
1080844128
11416a8432
12230a8968
1313997681
14aa46208
15716dc38
hex4d19560

80844128 has 48 divisors (see below), whose sum is σ = 166952016. Its totient is φ = 38492160.

The previous prime is 80844121. The next prime is 80844151. The reversal of 80844128 is 82144808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80844121) by changing a digit.

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, 55700 + ... + 57132.

It is an arithmetic number, because the mean of its divisors is an integer number (3478167).

Almost surely, 280844128 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 80844128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83476008).

80844128 is an abundant number, since it is smaller than the sum of its proper divisors (86107888).

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

80844128 is a wasteful number, since it uses less digits than its factorization.

80844128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 80844128 is about 8991.3362744366. The cubic root of 80844128 is about 432.3971542020.

The spelling of 80844128 in words is "eighty million, eight hundred forty-four thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 41 43 82 86 164 172 328 344 656 688 1312 1376 1433 1763 2866 3526 5732 7052 11464 14104 22928 28208 45856 56416 58753 61619 117506 123238 235012 246476 470024 492952 940048 985904 1880096 1971808 2526379 5052758 10105516 20211032 40422064 80844128