Search a number
-
+
8024640426 = 2321140528487
BaseRepresentation
bin1110111100100111…
…00100101110101010
3202201020202222012200
413132103210232222
5112413301443201
63404135521030
7402600214065
oct73623445652
922636688180
108024640426
113448778140
12167b529176
139ab68c75a
14561a7d8dc
1531e766386
hex1de4e4baa

8024640426 has 24 divisors (see below), whose sum is σ = 18967332384. Its totient is φ = 2431709160.

The previous prime is 8024640419. The next prime is 8024640467. The reversal of 8024640426 is 6240464208.

It is a happy number.

8024640426 is a `hidden beast` number, since 8 + 0 + 2 + 4 + 640 + 4 + 2 + 6 = 666.

It is a super-2 number, since 2×80246404262 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20264046 + ... + 20264441.

It is an arithmetic number, because the mean of its divisors is an integer number (790305516).

Almost surely, 28024640426 is an apocalyptic number.

8024640426 is an abundant number, since it is smaller than the sum of its proper divisors (10942691958).

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

8024640426 is a wasteful number, since it uses less digits than its factorization.

8024640426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40528506 (or 40528503 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 8024640426 is about 89580.3573670032. The cubic root of 8024640426 is about 2002.0512642715.

The spelling of 8024640426 in words is "eight billion, twenty-four million, six hundred forty thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 40528487 81056974 121585461 243170922 364756383 445813357 729512766 891626714 1337440071 2674880142 4012320213 8024640426