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20773168 = 241399871
BaseRepresentation
bin100111100111…
…1100100110000
31110002101102121
41033033210300
520304220133
62021124024
7341366113
oct117174460
943071377
1020773168
11107a9209
126b59614
1343c4320
142a8a57a
151c5502d
hex13cf930

20773168 has 20 divisors (see below), whose sum is σ = 43344448. Its totient is φ = 9587520.

The previous prime is 20773153. The next prime is 20773177. The reversal of 20773168 is 86137702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49728 + ... + 50143.

Almost surely, 220773168 is an apocalyptic number.

It is an amenable number.

20773168 is an abundant number, since it is smaller than the sum of its proper divisors (22571280).

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

20773168 is a wasteful number, since it uses less digits than its factorization.

20773168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99892 (or 99886 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 20773168 is about 4557.7590985044. The cubic root of 20773168 is about 274.8954666057.

The spelling of 20773168 in words is "twenty million, seven hundred seventy-three thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 99871 199742 399484 798968 1298323 1597936 2596646 5193292 10386584 20773168