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20092768 = 252932143
BaseRepresentation
bin100110010100…
…1011101100000
31101210211002121
41030221131200
520120432033
61554354024
7332533333
oct114513540
941724077
1020092768
1110383aa3
12688b914
134216717
14295061a
151b6d62d
hex1329760

20092768 has 24 divisors (see below), whose sum is σ = 39711168. Its totient is φ = 10007424.

The previous prime is 20092741. The next prime is 20092769. The reversal of 20092768 is 86729002.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20092769) 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, 8305 + ... + 10447.

It is an arithmetic number, because the mean of its divisors is an integer number (1654632).

Almost surely, 220092768 is an apocalyptic number.

It is an amenable number.

20092768 is a deficient number, since it is larger than the sum of its proper divisors (19618400).

20092768 is a wasteful number, since it uses less digits than its factorization.

20092768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 20092768 is about 4482.4957334057. The cubic root of 20092768 is about 271.8607995930.

The spelling of 20092768 in words is "twenty million, ninety-two thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 293 586 1172 2143 2344 4286 4688 8572 9376 17144 34288 68576 627899 1255798 2511596 5023192 10046384 20092768