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20371168 = 251737447
BaseRepresentation
bin100110110110…
…1011011100000
31102022221222201
41031231123200
520203334133
62004342544
7335103106
oct115553340
942287881
1020371168
1110554184
1269a4a54
1342b335c
1429c3c76
151bc5d7d
hex136d6e0

20371168 has 24 divisors (see below), whose sum is σ = 42466032. Its totient is φ = 9586176.

The previous prime is 20371159. The next prime is 20371171. The reversal of 20371168 is 86117302.

It is a congruent number.

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, 18180 + ... + 19267.

It is an arithmetic number, because the mean of its divisors is an integer number (1769418).

Almost surely, 220371168 is an apocalyptic number.

It is an amenable number.

20371168 is an abundant number, since it is smaller than the sum of its proper divisors (22094864).

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

20371168 is a wasteful number, since it uses less digits than its factorization.

20371168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37474 (or 37466 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 20371168 is about 4513.4430316555. The cubic root of 20371168 is about 273.1106547805.

The spelling of 20371168 in words is "twenty million, three hundred seventy-one thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 37447 74894 149788 299576 599152 636599 1198304 1273198 2546396 5092792 10185584 20371168