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206089028 = 221715120071
BaseRepresentation
bin11000100100010…
…10101101000100
3112100210101222222
430102022231010
5410224322103
632241111512
75051504435
oct1422125504
9470711888
10206089028
11a6371812
1259028598
1333909992
141d52948c
151315d638
hexc48ab44

206089028 has 24 divisors (see below), whose sum is σ = 384418944. Its totient is φ = 96336000.

The previous prime is 206089021. The next prime is 206089043. The reversal of 206089028 is 820980602.

It is not an unprimeable number, because it can be changed into a prime (206089021) 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 7 ways as a sum of consecutive naturals, for example, 233 + ... + 20303.

It is an arithmetic number, because the mean of its divisors is an integer number (16017456).

Almost surely, 2206089028 is an apocalyptic number.

It is an amenable number.

206089028 is a deficient number, since it is larger than the sum of its proper divisors (178329916).

206089028 is a wasteful number, since it uses less digits than its factorization.

206089028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20243 (or 20241 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 206089028 is about 14355.8011967288. The cubic root of 206089028 is about 590.6791260569.

The spelling of 206089028 in words is "two hundred six million, eighty-nine thousand, twenty-eight".

Divisors: 1 2 4 17 34 68 151 302 604 2567 5134 10268 20071 40142 80284 341207 682414 1364828 3030721 6061442 12122884 51522257 103044514 206089028