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20052284 = 2271275639
BaseRepresentation
bin100110001111…
…1100100111100
31101201202120012
41030133210330
520113133114
61553442352
7332304320
oct114374474
941652505
1020052284
111035663a
1268703b8
134201175
14293d980
151b6163e
hex131f93c

20052284 has 24 divisors (see below), whose sum is σ = 40427520. Its totient is φ = 8524656.

The previous prime is 20052283. The next prime is 20052289. The reversal of 20052284 is 48225002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052281) 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, 737 + ... + 6375.

It is an arithmetic number, because the mean of its divisors is an integer number (1684480).

Almost surely, 220052284 is an apocalyptic number.

It is an amenable number.

20052284 is an abundant number, since it is smaller than the sum of its proper divisors (20375236).

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

20052284 is a wasteful number, since it uses less digits than its factorization.

20052284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 20052284 is about 4477.9776685464. The cubic root of 20052284 is about 271.6780901934.

Adding to 20052284 its reverse (48225002), we get a palindrome (68277286).

The spelling of 20052284 in words is "twenty million, fifty-two thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 127 254 508 889 1778 3556 5639 11278 22556 39473 78946 157892 716153 1432306 2864612 5013071 10026142 20052284