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230412439 is a prime number
BaseRepresentation
bin11011011101111…
…01000010010111
3121001120011110001
431232331002113
5432441144224
634510312131
75465321245
oct1556750227
9531504401
10230412439
11109075304
12651b8647
1338974c2a
142285b795
1515365544
hexdbbd097

230412439 has 2 divisors, whose sum is σ = 230412440. Its totient is φ = 230412438.

The previous prime is 230412437. The next prime is 230412443. The reversal of 230412439 is 934214032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230412439 - 21 = 230412437 is a prime.

Together with 230412437, 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 (230412437) 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, 115206219 + 115206220.

It is an arithmetic number, because the mean of its divisors is an integer number (115206220).

Almost surely, 2230412439 is an apocalyptic number.

230412439 is a deficient number, since it is larger than the sum of its proper divisors (1).

230412439 is an equidigital number, since it uses as much as digits as its factorization.

230412439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 230412439 is about 15179.3425088177. The cubic root of 230412439 is about 613.0585782661.

The spelling of 230412439 in words is "two hundred thirty million, four hundred twelve thousand, four hundred thirty-nine".