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228049 is a prime number
BaseRepresentation
bin110111101011010001
3102120211021
4313223101
524244144
64515441
71636603
oct675321
9376737
10228049
11146378
12abb81
137ca53
145d173
1547884
hex37ad1

228049 has 2 divisors, whose sum is σ = 228050. Its totient is φ = 228048.

The previous prime is 228023. The next prime is 228061. The reversal of 228049 is 940822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 9025 = 468^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 228049 - 29 = 227537 is a prime.

228049 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (223049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114024 + 114025.

It is an arithmetic number, because the mean of its divisors is an integer number (114025).

2228049 is an apocalyptic number.

It is an amenable number.

228049 is a deficient number, since it is larger than the sum of its proper divisors (1).

228049 is an equidigital number, since it uses as much as digits as its factorization.

228049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 228049 is about 477.5447622998. The cubic root of 228049 is about 61.0955235420.

The spelling of 228049 in words is "two hundred twenty-eight thousand, forty-nine".