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283868 = 221353103
BaseRepresentation
bin1000101010011011100
3112102101122
41011103130
533040433
610030112
72261414
oct1052334
9472348
10283868
11184302
12118338
139c290
1475644
1559198
hex454dc

283868 has 24 divisors (see below), whose sum is σ = 550368. Its totient is φ = 127296.

The previous prime is 283861. The next prime is 283873. The reversal of 283868 is 868382.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 283868.

It is not an unprimeable number, because it can be changed into a prime (283861) by changing a digit.

283868 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 in 7 ways as a sum of consecutive naturals, for example, 2705 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (22932).

2283868 is an apocalyptic number.

It is an amenable number.

283868 is a deficient number, since it is larger than the sum of its proper divisors (266500).

283868 is a wasteful number, since it uses less digits than its factorization.

283868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 171 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 283868 is about 532.7926425918. The cubic root of 283868 is about 65.7211992006.

The spelling of 283868 in words is "two hundred eighty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 13 26 52 53 103 106 206 212 412 689 1339 1378 2678 2756 5356 5459 10918 21836 70967 141934 283868