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230443069 is a prime number
BaseRepresentation
bin11011011110001…
…00100000111101
3121001121201110111
431233010200331
5432443134234
634511110021
75465506453
oct1557044075
9531551414
10230443069
1110909631a
1265212311
1338985b5c
14228689d3
151536e664
hexdbc483d

230443069 has 2 divisors, whose sum is σ = 230443070. Its totient is φ = 230443068.

The previous prime is 230443061. The next prime is 230443121. The reversal of 230443069 is 960344032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172607044 + 57836025 = 13138^2 + 7605^2 .

It is a cyclic number.

It is not a de Polignac number, because 230443069 - 23 = 230443061 is a prime.

It is a super-2 number, since 2×2304430692 = 106208016100277522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230443069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230443061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115221534 + 115221535.

It is an arithmetic number, because the mean of its divisors is an integer number (115221535).

Almost surely, 2230443069 is an apocalyptic number.

It is an amenable number.

230443069 is a deficient number, since it is larger than the sum of its proper divisors (1).

230443069 is an equidigital number, since it uses as much as digits as its factorization.

230443069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 230443069 is about 15180.3514122697. The cubic root of 230443069 is about 613.0857428184.

The spelling of 230443069 in words is "two hundred thirty million, four hundred forty-three thousand, sixty-nine".