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230319 = 32157163
BaseRepresentation
bin111000001110101111
3102200221100
4320032233
524332234
64534143
71646325
oct701657
9380840
10230319
11148051
12b1353
1380aab
145dd15
1548399
hex383af

230319 has 12 divisors (see below), whose sum is σ = 336856. Its totient is φ = 151632.

The previous prime is 230311. The next prime is 230327. The reversal of 230319 is 913032.

It is an interprime number because it is at equal distance from previous prime (230311) and next prime (230327).

It is not a de Polignac number, because 230319 - 23 = 230311 is a prime.

It is a super-2 number, since 2×2303192 = 106093683522, which contains 22 as substring.

It is a Duffinian number.

230319 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1332 + ... + 1494.

2230319 is an apocalyptic number.

230319 is a deficient number, since it is larger than the sum of its proper divisors (106537).

230319 is a wasteful number, since it uses less digits than its factorization.

230319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 230319 is about 479.9156175829. The cubic root of 230319 is about 61.2975695985.

The spelling of 230319 in words is "two hundred thirty thousand, three hundred nineteen".

Divisors: 1 3 9 157 163 471 489 1413 1467 25591 76773 230319