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20589227 = 172191373
BaseRepresentation
bin100111010001…
…0101010101011
31102202001002222
41032202222223
520232323402
62013144255
7340001621
oct116425253
942661088
1020589227
1110692a9a
126a8b08b
13435b699
142a3d511
151c1a7a2
hex13a2aab

20589227 has 12 divisors (see below), whose sum is σ = 22045056. Its totient is φ = 19224960.

The previous prime is 20589223. The next prime is 20589251. The reversal of 20589227 is 72298502.

It is not a de Polignac number, because 20589227 - 22 = 20589223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20589223) 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 11 ways as a sum of consecutive naturals, for example, 55013 + ... + 55385.

It is an arithmetic number, because the mean of its divisors is an integer number (1837088).

Almost surely, 220589227 is an apocalyptic number.

20589227 is a deficient number, since it is larger than the sum of its proper divisors (1455829).

20589227 is a wasteful number, since it uses less digits than its factorization.

20589227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 20589227 is about 4537.5353442150. The cubic root of 20589227 is about 274.0816839596.

The spelling of 20589227 in words is "twenty million, five hundred eighty-nine thousand, two hundred twenty-seven".

Divisors: 1 17 191 289 373 3247 6341 55199 71243 107797 1211131 20589227