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6981168 = 243145441
BaseRepresentation
bin11010101000011000110000
3111010200100210
4122220120300
53241344133
6405344120
7113224155
oct32503060
914120323
106981168
113a39067
122408040
1315a578c
14cda22c
1592d763
hex6a8630

6981168 has 20 divisors (see below), whose sum is σ = 18034808. Its totient is φ = 2327040.

The previous prime is 6981157. The next prime is 6981181. The reversal of 6981168 is 8611896.

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, 72673 + ... + 72768.

Almost surely, 26981168 is an apocalyptic number.

It is an amenable number.

6981168 is an abundant number, since it is smaller than the sum of its proper divisors (11053640).

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

6981168 is a wasteful number, since it uses less digits than its factorization.

6981168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145452 (or 145446 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 6981168 is about 2642.1900007380. The cubic root of 6981168 is about 191.1214198313.

The spelling of 6981168 in words is "six million, nine hundred eighty-one thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 145441 290882 436323 581764 872646 1163528 1745292 2327056 3490584 6981168