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289226801 is a prime number
BaseRepresentation
bin10001001111010…
…100000000110001
3202011020020120202
4101033110000301
51043020224201
644411044545
710111246553
oct2117240061
9664206522
10289226801
11139296416
1280a40755
1347bc8326
142a5ab4d3
151a5d1c6b
hex113d4031

289226801 has 2 divisors, whose sum is σ = 289226802. Its totient is φ = 289226800.

The previous prime is 289226789. The next prime is 289226843. The reversal of 289226801 is 108622982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163226176 + 126000625 = 12776^2 + 11225^2 .

It is a cyclic number.

It is not a de Polignac number, because 289226801 - 26 = 289226737 is a prime.

It is not a weakly prime, because it can be changed into another prime (289226851) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144613400 + 144613401.

It is an arithmetic number, because the mean of its divisors is an integer number (144613401).

Almost surely, 2289226801 is an apocalyptic number.

It is an amenable number.

289226801 is a deficient number, since it is larger than the sum of its proper divisors (1).

289226801 is an equidigital number, since it uses as much as digits as its factorization.

289226801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 289226801 is about 17006.6693094209. The cubic root of 289226801 is about 661.3218084473.

The spelling of 289226801 in words is "two hundred eighty-nine million, two hundred twenty-six thousand, eight hundred one".