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228323 = 1961197
BaseRepresentation
bin110111101111100011
3102121012102
4313233203
524301243
64521015
71640444
oct675743
9377172
10228323
111465a7
12b016b
137cc04
145d2cb
15479b8
hex37be3

228323 has 8 divisors (see below), whose sum is σ = 245520. Its totient is φ = 211680.

The previous prime is 228311. The next prime is 228331. The reversal of 228323 is 323822.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 228323 - 24 = 228307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228295 and 228304.

It is not an unprimeable number, because it can be changed into a prime (228353) 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 7 ways as a sum of consecutive naturals, for example, 1061 + ... + 1257.

It is an arithmetic number, because the mean of its divisors is an integer number (30690).

2228323 is an apocalyptic number.

228323 is a deficient number, since it is larger than the sum of its proper divisors (17197).

228323 is a wasteful number, since it uses less digits than its factorization.

228323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

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

The square root of 228323 is about 477.8315602804. The cubic root of 228323 is about 61.1199824281.

The spelling of 228323 in words is "two hundred twenty-eight thousand, three hundred twenty-three".

Divisors: 1 19 61 197 1159 3743 12017 228323