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286422 = 2347737
BaseRepresentation
bin1000101111011010110
3112112220020
41011323112
533131142
610050010
72302023
oct1057326
9475806
10286422
11186214
12119906
13a04a6
147654a
1559cec
hex45ed6

286422 has 8 divisors (see below), whose sum is σ = 572856. Its totient is φ = 95472.

The previous prime is 286421. The next prime is 286427. The reversal of 286422 is 224682.

It is a sphenic number, since it is the product of 3 distinct primes.

286422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 286392 and 286401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23863 + ... + 23874.

It is an arithmetic number, because the mean of its divisors is an integer number (71607).

2286422 is an apocalyptic number.

286422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

286422 is a wasteful number, since it uses less digits than its factorization.

286422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47742.

The product of its digits is 1536, while the sum is 24.

The square root of 286422 is about 535.1840804807. The cubic root of 286422 is about 65.9177119556.

The spelling of 286422 in words is "two hundred eighty-six thousand, four hundred twenty-two".

Divisors: 1 2 3 6 47737 95474 143211 286422