Search a number
-
+
228711673 is a prime number
BaseRepresentation
bin11011010000111…
…01110011111001
3120221100202102201
431220131303321
5432022233143
634410030201
75445005611
oct1550356371
9527322381
10228711673
11108113513
1264718361
13384caa68
1422537a41
151512b64d
hexda1dcf9

228711673 has 2 divisors, whose sum is σ = 228711674. Its totient is φ = 228711672.

The previous prime is 228711667. The next prime is 228711713. The reversal of 228711673 is 376117822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221027689 + 7683984 = 14867^2 + 2772^2 .

It is a cyclic number.

It is not a de Polignac number, because 228711673 - 25 = 228711641 is a prime.

It is not a weakly prime, because it can be changed into another prime (228711173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114355836 + 114355837.

It is an arithmetic number, because the mean of its divisors is an integer number (114355837).

Almost surely, 2228711673 is an apocalyptic number.

It is an amenable number.

228711673 is a deficient number, since it is larger than the sum of its proper divisors (1).

228711673 is an equidigital number, since it uses as much as digits as its factorization.

228711673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 228711673 is about 15123.2163576403. The cubic root of 228711673 is about 611.5464417179.

The spelling of 228711673 in words is "two hundred twenty-eight million, seven hundred eleven thousand, six hundred seventy-three".