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230505347 is a prime number
BaseRepresentation
bin11011011110100…
…11101110000011
3121001201212220002
431233103232003
5433002132342
634512310215
75466156152
oct1557235603
9531655802
10230505347
11109129096
126524236b
13389a82c7
1422883599
1515382d32
hexdbd3b83

230505347 has 2 divisors, whose sum is σ = 230505348. Its totient is φ = 230505346.

The previous prime is 230505323. The next prime is 230505349. The reversal of 230505347 is 743505032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230505347 is a prime.

Together with 230505349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230505349) 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, 115252673 + 115252674.

It is an arithmetic number, because the mean of its divisors is an integer number (115252674).

Almost surely, 2230505347 is an apocalyptic number.

230505347 is a deficient number, since it is larger than the sum of its proper divisors (1).

230505347 is an equidigital number, since it uses as much as digits as its factorization.

230505347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 230505347 is about 15182.4025437346. The cubic root of 230505347 is about 613.1409673257.

The spelling of 230505347 in words is "two hundred thirty million, five hundred five thousand, three hundred forty-seven".