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20441312 = 254911301
BaseRepresentation
bin100110111111…
…0100011100000
31102110112012122
41031332203200
520213110222
62010043412
7335514443
oct115764340
942415178
1020441312
11105a1951
126a19568
134309268
142a0165a
151bdba42
hex137e8e0

20441312 has 24 divisors (see below), whose sum is σ = 40356792. Its totient is φ = 10192000.

The previous prime is 20441269. The next prime is 20441347. The reversal of 20441312 is 21314402.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 15062 + ... + 16362.

It is an arithmetic number, because the mean of its divisors is an integer number (1681533).

Almost surely, 220441312 is an apocalyptic number.

It is an amenable number.

20441312 is a deficient number, since it is larger than the sum of its proper divisors (19915480).

20441312 is a wasteful number, since it uses less digits than its factorization.

20441312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20441312 is about 4521.2069185119. The cubic root of 20441312 is about 273.4237627950.

Adding to 20441312 its reverse (21314402), we get a palindrome (41755714).

The spelling of 20441312 in words is "twenty million, four hundred forty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 491 982 1301 1964 2602 3928 5204 7856 10408 15712 20816 41632 638791 1277582 2555164 5110328 10220656 20441312