Search a number
-
+
8028748332 = 22321121843147
BaseRepresentation
bin1110111101000110…
…01111101000101100
3202201112111200012100
413132203033220230
5112420324421312
63404403535100
7402650143353
oct73643175054
922645450170
108028748332
113450023500
12168098a490
139ac49a477
1456242c99a
1531ecc85dc
hex1de8cfa2c

8028748332 has 54 divisors (see below), whose sum is σ = 22307620244. Its totient is φ = 2432952720.

The previous prime is 8028748309. The next prime is 8028748337. The reversal of 8028748332 is 2338478208.

It is not an unprimeable number, because it can be changed into a prime (8028748337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 917218 + ... + 925929.

Almost surely, 28028748332 is an apocalyptic number.

It is an amenable number.

8028748332 is an abundant number, since it is smaller than the sum of its proper divisors (14278871912).

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

8028748332 is a wasteful number, since it uses less digits than its factorization.

8028748332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843179 (or 1843163 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 8028748332 is about 89603.2830425314. The cubic root of 8028748332 is about 2002.3928303730.

The spelling of 8028748332 in words is "eight billion, twenty-eight million, seven hundred forty-eight thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 121 132 198 242 363 396 484 726 1089 1452 2178 4356 1843147 3686294 5529441 7372588 11058882 16588323 20274617 22117764 33176646 40549234 60823851 66353292 81098468 121647702 182471553 223020787 243295404 364943106 446041574 669062361 729886212 892083148 1338124722 2007187083 2676249444 4014374166 8028748332