Search a number
-
+
228833333 is a prime number
BaseRepresentation
bin11011010001110…
…11100000110101
3120221120221022122
431220323200311
5432040131313
634412405325
75446023401
oct1550734065
9527527278
10228833333
11108196963
1264776845
1338541251
142256a101
1515152708
hexda3b835

228833333 has 2 divisors, whose sum is σ = 228833334. Its totient is φ = 228833332.

The previous prime is 228833327. The next prime is 228833369. The reversal of 228833333 is 333338822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187333969 + 41499364 = 13687^2 + 6442^2 .

It is a cyclic number.

It is not a de Polignac number, because 228833333 - 24 = 228833317 is a prime.

228833333 is a modest number, since divided by 33333 gives 2288 as remainder.

It is equal to p12581963 and since 228833333 and 12581963 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 228833293 and 228833302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228833323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114416666 + 114416667.

It is an arithmetic number, because the mean of its divisors is an integer number (114416667).

Almost surely, 2228833333 is an apocalyptic number.

It is an amenable number.

228833333 is a deficient number, since it is larger than the sum of its proper divisors (1).

228833333 is an equidigital number, since it uses as much as digits as its factorization.

228833333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

The square root of 228833333 is about 15127.2381153997. The cubic root of 228833333 is about 611.6548570440.

The spelling of 228833333 in words is "two hundred twenty-eight million, eight hundred thirty-three thousand, three hundred thirty-three".