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229369069 is a prime number
BaseRepresentation
bin11011010101111…
…10010011101101
3120222121011012201
431222332103231
5432204302234
634432101501
75453414326
oct1552762355
9528534181
10229369069
11108522416
1264994891
133869b057
142266944d
151520b314
hexdabe4ed

229369069 has 2 divisors, whose sum is σ = 229369070. Its totient is φ = 229369068.

The previous prime is 229369067. The next prime is 229369097. The reversal of 229369069 is 960963922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215208900 + 14160169 = 14670^2 + 3763^2 .

It is a cyclic number.

It is not a de Polignac number, because 229369069 - 21 = 229369067 is a prime.

It is a super-2 number, since 2×2293690692 = 105220339627853522, which contains 22 as substring.

Together with 229369067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229369067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114684534 + 114684535.

It is an arithmetic number, because the mean of its divisors is an integer number (114684535).

Almost surely, 2229369069 is an apocalyptic number.

It is an amenable number.

229369069 is a deficient number, since it is larger than the sum of its proper divisors (1).

229369069 is an equidigital number, since it uses as much as digits as its factorization.

229369069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 229369069 is about 15144.9354240947. The cubic root of 229369069 is about 612.1318128159.

The spelling of 229369069 in words is "two hundred twenty-nine million, three hundred sixty-nine thousand, sixty-nine".