Search a number
-
+
8008881252 = 223667406771
BaseRepresentation
bin1110111010101110…
…11101010001100100
3202200011010022200120
413131113131101210
5112400233200002
63402414041540
7402316240011
oct73527352144
922604108616
108008881252
11343a894029
1216761a92b0
139a83326b8
1455d93a708
1531d1a1cbc
hex1dd5dd464

8008881252 has 12 divisors (see below), whose sum is σ = 18687389616. Its totient is φ = 2669627080.

The previous prime is 8008881233. The next prime is 8008881281. The reversal of 8008881252 is 2521888008.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 333703374 + ... + 333703397.

It is an arithmetic number, because the mean of its divisors is an integer number (1557282468).

Almost surely, 28008881252 is an apocalyptic number.

It is an amenable number.

8008881252 is an abundant number, since it is smaller than the sum of its proper divisors (10678508364).

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

8008881252 is a wasteful number, since it uses less digits than its factorization.

8008881252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667406778 (or 667406776 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 42.

The square root of 8008881252 is about 89492.3530364466. The cubic root of 8008881252 is about 2000.7398306249.

The spelling of 8008881252 in words is "eight billion, eight million, eight hundred eighty-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 667406771 1334813542 2002220313 2669627084 4004440626 8008881252