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228332 = 22134391
BaseRepresentation
bin110111101111101100
3102121012202
4313233230
524301312
64521032
71640456
oct675754
9377182
10228332
11146605
12b0178
137cc10
145d2d6
15479c2
hex37bec

228332 has 12 divisors (see below), whose sum is σ = 430416. Its totient is φ = 105360.

The previous prime is 228331. The next prime is 228337. The reversal of 228332 is 233822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144 + ... + 2247.

It is an arithmetic number, because the mean of its divisors is an integer number (35868).

2228332 is an apocalyptic number.

It is an amenable number.

228332 is a deficient number, since it is larger than the sum of its proper divisors (202084).

228332 is a wasteful number, since it uses less digits than its factorization.

228332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408 (or 4406 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 228332 is about 477.8409777321. The cubic root of 228332 is about 61.1207854901.

The spelling of 228332 in words is "two hundred twenty-eight thousand, three hundred thirty-two".

Divisors: 1 2 4 13 26 52 4391 8782 17564 57083 114166 228332