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20853282 = 2330711321
BaseRepresentation
bin100111110001…
…1001000100010
31110020110022210
41033203020202
520314301112
62022542550
7342151512
oct117431042
943213283
1020853282
111085341a
126b97a56
134421928
142aab842
151c6db3c
hex13e3222

20853282 has 16 divisors (see below), whose sum is σ = 41846112. Its totient is φ = 6927840.

The previous prime is 20853269. The next prime is 20853293. The reversal of 20853282 is 28235802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3819 + ... + 7502.

It is an arithmetic number, because the mean of its divisors is an integer number (2615382).

Almost surely, 220853282 is an apocalyptic number.

20853282 is an abundant number, since it is smaller than the sum of its proper divisors (20992830).

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

20853282 is a wasteful number, since it uses less digits than its factorization.

20853282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11633.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 20853282 is about 4566.5393899538. The cubic root of 20853282 is about 275.2484014522.

The spelling of 20853282 in words is "twenty million, eight hundred fifty-three thousand, two hundred eighty-two".

Divisors: 1 2 3 6 307 614 921 1842 11321 22642 33963 67926 3475547 6951094 10426641 20853282