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229191049 is a prime number
BaseRepresentation
bin11011010100100…
…10110110001001
3120222021010000101
431222102312021
5432133103144
634424205401
75452043323
oct1552226611
9528233011
10229191049
1110841069a
1264909861
1338638009
1422620613
15151c36d4
hexda92d89

229191049 has 2 divisors, whose sum is σ = 229191050. Its totient is φ = 229191048.

The previous prime is 229191041. The next prime is 229191073. The reversal of 229191049 is 940191922.

229191049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227798649 + 1392400 = 15093^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 229191049 - 23 = 229191041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229190999 and 229191017.

It is not a weakly prime, because it can be changed into another prime (229191041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114595524 + 114595525.

It is an arithmetic number, because the mean of its divisors is an integer number (114595525).

Almost surely, 2229191049 is an apocalyptic number.

It is an amenable number.

229191049 is a deficient number, since it is larger than the sum of its proper divisors (1).

229191049 is an equidigital number, since it uses as much as digits as its factorization.

229191049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 229191049 is about 15139.0570710332. The cubic root of 229191049 is about 611.9734073982.

The spelling of 229191049 in words is "two hundred twenty-nine million, one hundred ninety-one thousand, forty-nine".