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282668 = 2270667
BaseRepresentation
bin1000101000000101100
3112100202012
41011000230
533021133
610020352
72255051
oct1050054
9470665
10282668
11183411
121176b8
139b879
1475028
1558b48
hex4502c

282668 has 6 divisors (see below), whose sum is σ = 494676. Its totient is φ = 141332.

The previous prime is 282661. The next prime is 282671. The reversal of 282668 is 866282.

It is a happy number.

282668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 27 + 8 + 62 + 211 + 67 + 83 .

It is not an unprimeable number, because it can be changed into a prime (282661) by changing a digit.

282668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35330 + ... + 35337.

It is an arithmetic number, because the mean of its divisors is an integer number (82446).

2282668 is an apocalyptic number.

It is an amenable number.

282668 is a deficient number, since it is larger than the sum of its proper divisors (212008).

282668 is a wasteful number, since it uses less digits than its factorization.

282668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70671 (or 70669 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 282668 is about 531.6653082532. The cubic root of 282668 is about 65.6284602862.

It can be divided in two parts, 28266 and 8, that multiplied together give a triangular number (226128 = T672).

The spelling of 282668 in words is "two hundred eighty-two thousand, six hundred sixty-eight".

Divisors: 1 2 4 70667 141334 282668