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20053286 = 2112339631
BaseRepresentation
bin100110001111…
…1110100100110
31101201210221022
41030133310212
520113201121
61553451142
7332310251
oct114376446
941653838
1020053286
1110357370
126870ab2
134201766
142940098
151b61aab
hex131fd26

20053286 has 16 divisors (see below), whose sum is σ = 34242048. Its totient is φ = 8718600.

The previous prime is 20053277. The next prime is 20053289. The reversal of 20053286 is 68235002.

20053286 = T1309 + T1310 + ... + T1331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19310 + ... + 20321.

It is an arithmetic number, because the mean of its divisors is an integer number (2140128).

Almost surely, 220053286 is an apocalyptic number.

20053286 is a deficient number, since it is larger than the sum of its proper divisors (14188762).

20053286 is a wasteful number, since it uses less digits than its factorization.

20053286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39667.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20053286 is about 4478.0895480104. The cubic root of 20053286 is about 271.6826153124.

Adding to 20053286 its reverse (68235002), we get a palindrome (88288288).

The spelling of 20053286 in words is "twenty million, fifty-three thousand, two hundred eighty-six".

Divisors: 1 2 11 22 23 46 253 506 39631 79262 435941 871882 911513 1823026 10026643 20053286