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283368 = 23311807
BaseRepresentation
bin1000101001011101000
3112101201010
41011023220
533031433
610023520
72260101
oct1051350
9471633
10283368
11183998
12117ba0
139bc97
14753a8
1558e63
hex452e8

283368 has 16 divisors (see below), whose sum is σ = 708480. Its totient is φ = 94448.

The previous prime is 283303. The next prime is 283369. The reversal of 283368 is 863382.

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 214 + 84 + 32 + 36 + 6 + 86 .

It is not an unprimeable number, because it can be changed into a prime (283369) by changing a digit.

283368 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 3 ways as a sum of consecutive naturals, for example, 5880 + ... + 5927.

It is an arithmetic number, because the mean of its divisors is an integer number (44280).

2283368 is an apocalyptic number.

It is an amenable number.

283368 is an abundant number, since it is smaller than the sum of its proper divisors (425112).

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

283368 is a wasteful number, since it uses less digits than its factorization.

283368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11816 (or 11812 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 283368 is about 532.3232100895. The cubic root of 283368 is about 65.6825898096.

The spelling of 283368 in words is "two hundred eighty-three thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 11807 23614 35421 47228 70842 94456 141684 283368