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20211059 = 116912659
BaseRepresentation
bin100110100011…
…0010101110011
31102000211100202
41031012111303
520133223214
62001105415
7333535241
oct115062563
942024322
1020211059
1110454960
12692826b
13425850b
142981791
151b936de
hex1346573

20211059 has 8 divisors (see below), whose sum is σ = 22088640. Its totient is φ = 18340200.

The previous prime is 20211031. The next prime is 20211077. The reversal of 20211059 is 95011202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20211059 - 28 = 20210803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20211059.

It is not an unprimeable number, because it can be changed into a prime (20211259) 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 7 ways as a sum of consecutive naturals, for example, 6272 + ... + 8930.

It is an arithmetic number, because the mean of its divisors is an integer number (2761080).

Almost surely, 220211059 is an apocalyptic number.

20211059 is a deficient number, since it is larger than the sum of its proper divisors (1877581).

20211059 is a wasteful number, since it uses less digits than its factorization.

20211059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 20211059 is about 4495.6711401080. The cubic root of 20211059 is about 272.3932595439.

The spelling of 20211059 in words is "twenty million, two hundred eleven thousand, fifty-nine".

Divisors: 1 11 691 2659 7601 29249 1837369 20211059