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228833273 is a prime number
BaseRepresentation
bin11011010001110…
…11011111111001
3120221120221020102
431220323133321
5432040131043
634412405145
75446023254
oct1550733771
9527527212
10228833273
11108196909
12647767b5
1338541206
142256a09b
15151526b8
hexda3b7f9

228833273 has 2 divisors, whose sum is σ = 228833274. Its totient is φ = 228833272.

The previous prime is 228833263. The next prime is 228833281. The reversal of 228833273 is 372338822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174028864 + 54804409 = 13192^2 + 7403^2 .

It is a cyclic number.

It is not a de Polignac number, because 228833273 - 24 = 228833257 is a prime.

It is equal to p12581957 and since 228833273 and 12581957 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (228833263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114416636 + 114416637.

It is an arithmetic number, because the mean of its divisors is an integer number (114416637).

Almost surely, 2228833273 is an apocalyptic number.

It is an amenable number.

228833273 is a deficient number, since it is larger than the sum of its proper divisors (1).

228833273 is an equidigital number, since it uses as much as digits as its factorization.

228833273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 228833273 is about 15127.2361322219. The cubic root of 228833273 is about 611.6548035855.

The spelling of 228833273 in words is "two hundred twenty-eight million, eight hundred thirty-three thousand, two hundred seventy-three".