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282012 = 22371331
BaseRepresentation
bin1000100110110011100
3112022211220
41010312130
533011022
610013340
72253123
oct1046634
9468756
10282012
11182975
12117250
139b493
1474aba
155885c
hex44d9c

282012 has 24 divisors (see below), whose sum is σ = 669312. Its totient is φ = 92400.

The previous prime is 282011. The next prime is 282019. The reversal of 282012 is 210282.

It is a junction number, because it is equal to n+sod(n) for n = 281982 and 282000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282011) 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, 687 + ... + 1017.

It is an arithmetic number, because the mean of its divisors is an integer number (27888).

2282012 is an apocalyptic number.

It is an amenable number.

282012 is an abundant number, since it is smaller than the sum of its proper divisors (387300).

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

282012 is a wasteful number, since it uses less digits than its factorization.

282012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 282012 is about 531.0480204275. The cubic root of 282012 is about 65.5776520148.

Adding to 282012 its reverse (210282), we get a palindrome (492294).

It can be divided in two parts, 28201 and 2, that added together give a triangular number (28203 = T237).

The spelling of 282012 in words is "two hundred eighty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 71 142 213 284 331 426 662 852 993 1324 1986 3972 23501 47002 70503 94004 141006 282012