Search a number
-
+
228158041 is a prime number
BaseRepresentation
bin11011001100101…
…10101001011001
3120220022121222211
431212112221121
5431402024131
634350115121
75440211536
oct1546265131
9526277884
10228158041
11107875571
12644abaa1
1338365a77
1422431d8d
151506c5b1
hexd996a59

228158041 has 2 divisors, whose sum is σ = 228158042. Its totient is φ = 228158040.

The previous prime is 228158011. The next prime is 228158053. The reversal of 228158041 is 140851822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228130816 + 27225 = 15104^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 228158041 - 25 = 228158009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228157994 and 228158012.

It is not a weakly prime, because it can be changed into another prime (228158011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114079020 + 114079021.

It is an arithmetic number, because the mean of its divisors is an integer number (114079021).

Almost surely, 2228158041 is an apocalyptic number.

It is an amenable number.

228158041 is a deficient number, since it is larger than the sum of its proper divisors (1).

228158041 is an equidigital number, since it uses as much as digits as its factorization.

228158041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 228158041 is about 15104.9012244371. The cubic root of 228158041 is about 611.0525954244.

The spelling of 228158041 in words is "two hundred twenty-eight million, one hundred fifty-eight thousand, forty-one".