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14020446 = 2311792689
BaseRepresentation
bin110101011110…
…111101011110
3222101022102210
4311132331132
512042123241
61220301250
7230112636
oct65367536
928338383
1014020446
117a06850
124841826
132b9b82b
141c0d6c6
15136e316
hexd5ef5e

14020446 has 32 divisors (see below), whose sum is σ = 30988800. Its totient is φ = 4193280.

The previous prime is 14020417. The next prime is 14020459. The reversal of 14020446 is 64402041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3870 + ... + 6558.

It is an arithmetic number, because the mean of its divisors is an integer number (968400).

Almost surely, 214020446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14020446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15494400).

14020446 is an abundant number, since it is smaller than the sum of its proper divisors (16968354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14020446 is a wasteful number, since it uses less digits than its factorization.

14020446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 14020446 is about 3744.3886016278. The cubic root of 14020446 is about 241.1314973682.

Adding to 14020446 its reverse (64402041), we get a palindrome (78422487).

The spelling of 14020446 in words is "fourteen million, twenty thousand, four hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 79 158 237 474 869 1738 2607 2689 5214 5378 8067 16134 29579 59158 88737 177474 212431 424862 637293 1274586 2336741 4673482 7010223 14020446