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200284 = 22723311
BaseRepresentation
bin110000111001011100
3101011201221
4300321130
522402114
64143124
71462630
oct607134
9334657
10200284
11127527
1297aa4
1370216
1452dc0
153e524
hex30e5c

200284 has 24 divisors (see below), whose sum is σ = 419328. Its totient is φ = 81840.

The previous prime is 200273. The next prime is 200293. The reversal of 200284 is 482002.

Adding to 200284 its reverse (482002), we get a palindrome (682286).

It can be divided in two parts, 200 and 284, that added together give a palindrome (484).

200284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2002842 = 80227361312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489 + ... + 799.

It is an arithmetic number, because the mean of its divisors is an integer number (17472).

2200284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209664).

200284 is an abundant number, since it is smaller than the sum of its proper divisors (219044).

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

200284 is a wasteful number, since it uses less digits than its factorization.

200284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 200284 is about 447.5310045125. The cubic root of 200284 is about 58.5080223736.

The spelling of 200284 in words is "two hundred thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 23 28 46 92 161 311 322 622 644 1244 2177 4354 7153 8708 14306 28612 50071 100142 200284