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20000168 = 238273023
BaseRepresentation
bin100110001001…
…0110110101000
31101122010001222
41030102312220
520110001133
61552401212
7331666346
oct114226650
941563058
1020000168
1110320471
126846208
1341b3526
142928996
151b50e98
hex1312da8

20000168 has 16 divisors (see below), whose sum is σ = 37558080. Its totient is φ = 9984688.

The previous prime is 20000161. The next prime is 20000171. The reversal of 20000168 is 86100002.

It is not an unprimeable number, because it can be changed into a prime (20000161) 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 3 ways as a sum of consecutive naturals, for example, 5105 + ... + 8127.

It is an arithmetic number, because the mean of its divisors is an integer number (2347380).

Almost surely, 220000168 is an apocalyptic number.

It is an amenable number.

20000168 is a deficient number, since it is larger than the sum of its proper divisors (17557912).

20000168 is a wasteful number, since it uses less digits than its factorization.

20000168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856 (or 3852 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 20000168 is about 4472.1547379311. The cubic root of 20000168 is about 271.4425216943.

The spelling of 20000168 in words is "twenty million, one hundred sixty-eight", and thus it is an aban number.

Divisors: 1 2 4 8 827 1654 3023 3308 6046 6616 12092 24184 2500021 5000042 10000084 20000168