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229450591 is a prime number
BaseRepresentation
bin11011010110100…
…10001101011111
3120222202022001001
431223102031133
5432214404331
634433531131
75454204106
oct1553221537
9528668031
10229450591
11108578697
1264a13aa7
13386c91a6
142268b03d
1515225561
hexdad235f

229450591 has 2 divisors, whose sum is σ = 229450592. Its totient is φ = 229450590.

The previous prime is 229450567. The next prime is 229450603. The reversal of 229450591 is 195054922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229450591 - 211 = 229448543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229450591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229450511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114725295 + 114725296.

It is an arithmetic number, because the mean of its divisors is an integer number (114725296).

Almost surely, 2229450591 is an apocalyptic number.

229450591 is a deficient number, since it is larger than the sum of its proper divisors (1).

229450591 is an equidigital number, since it uses as much as digits as its factorization.

229450591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 229450591 is about 15147.6265797649. The cubic root of 229450591 is about 612.2043252067.

The spelling of 229450591 in words is "two hundred twenty-nine million, four hundred fifty thousand, five hundred ninety-one".