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20703568 = 247511723
BaseRepresentation
bin100111011111…
…0100101010000
31102221211221211
41032332211100
520300003233
62015425504
7340656154
oct116764520
942854854
1020703568
1110760996
126b25294
13439b742
142a6d064
151c3e5cd
hex13be950

20703568 has 20 divisors (see below), whose sum is σ = 40189888. Its totient is φ = 10332000.

The previous prime is 20703563. The next prime is 20703589. The reversal of 20703568 is 86530702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20703563) by changing a digit.

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, 11155 + ... + 12877.

Almost surely, 220703568 is an apocalyptic number.

It is an amenable number.

20703568 is a deficient number, since it is larger than the sum of its proper divisors (19486320).

20703568 is a wasteful number, since it uses less digits than its factorization.

20703568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20703568 is about 4550.1173611238. The cubic root of 20703568 is about 274.5881128718.

The spelling of 20703568 in words is "twenty million, seven hundred three thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 751 1502 1723 3004 3446 6008 6892 12016 13784 27568 1293973 2587946 5175892 10351784 20703568