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230915299 = 673679391
BaseRepresentation
bin11011100001101…
…11110011100011
3121002111201020111
431300313303203
5433103242144
634525152151
75502514306
oct1560676343
9532451214
10230915299
1110938909a
12653bb657
1338abca94
142294cb3d
1515414534
hexdc37ce3

230915299 has 8 divisors (see below), whose sum is σ = 235025408. Its totient is φ = 226824840.

The previous prime is 230915273. The next prime is 230915339. The reversal of 230915299 is 992519032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230915299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230910299) 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 in 7 ways as a sum of consecutive naturals, for example, 19894 + ... + 29284.

It is an arithmetic number, because the mean of its divisors is an integer number (29378176).

Almost surely, 2230915299 is an apocalyptic number.

230915299 is a deficient number, since it is larger than the sum of its proper divisors (4110109).

230915299 is an equidigital number, since it uses as much as digits as its factorization.

230915299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9825.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 230915299 is about 15195.8974397697. The cubic root of 230915299 is about 613.5042408942.

The spelling of 230915299 in words is "two hundred thirty million, nine hundred fifteen thousand, two hundred ninety-nine".

Divisors: 1 67 367 9391 24589 629197 3446497 230915299