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289227941 is a prime number
BaseRepresentation
bin10001001111010…
…100010010100101
3202011020022010222
4101033110102211
51043020243231
644411054125
710111253102
oct2117242245
9664208128
10289227941
11139297262
1280a41345
1347bc89c2
142a5abaa9
151a5d227b
hex113d44a5

289227941 has 2 divisors, whose sum is σ = 289227942. Its totient is φ = 289227940.

The previous prime is 289227931. The next prime is 289227959. The reversal of 289227941 is 149722982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285441025 + 3786916 = 16895^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 289227941 - 214 = 289211557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289227892 and 289227901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289227931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144613970 + 144613971.

It is an arithmetic number, because the mean of its divisors is an integer number (144613971).

Almost surely, 2289227941 is an apocalyptic number.

It is an amenable number.

289227941 is a deficient number, since it is larger than the sum of its proper divisors (1).

289227941 is an equidigital number, since it uses as much as digits as its factorization.

289227941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 289227941 is about 17006.7028256508. The cubic root of 289227941 is about 661.3226773224.

It can be divided in two parts, 28922 and 7941, that added together give a palindrome (36863).

The spelling of 289227941 in words is "two hundred eighty-nine million, two hundred twenty-seven thousand, nine hundred forty-one".