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20288314 = 2193311613
BaseRepresentation
bin100110101100…
…1001100111010
31102011202100001
41031121030322
520143211224
62002503214
7334306414
oct115311472
942152301
1020288314
11104a7a02
126964b0a
134284727
1429a19b4
151bab544
hex135933a

20288314 has 16 divisors (see below), whose sum is σ = 32150880. Its totient is φ = 9575280.

The previous prime is 20288299. The next prime is 20288339. The reversal of 20288314 is 41388202.

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 7 ways as a sum of consecutive naturals, for example, 11772 + ... + 13384.

It is an arithmetic number, because the mean of its divisors is an integer number (2009430).

Almost surely, 220288314 is an apocalyptic number.

20288314 is a deficient number, since it is larger than the sum of its proper divisors (11862566).

20288314 is a wasteful number, since it uses less digits than its factorization.

20288314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20288314 is about 4504.2550993477. The cubic root of 20288314 is about 272.7398847164.

It can be divided in two parts, 20288 and 314, that added together give a palindrome (20602).

The spelling of 20288314 in words is "twenty million, two hundred eighty-eight thousand, three hundred fourteen".

Divisors: 1 2 19 38 331 662 1613 3226 6289 12578 30647 61294 533903 1067806 10144157 20288314