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238330 = 2523833
BaseRepresentation
bin111010001011111010
3110002221001
4322023322
530111310
65035214
72011561
oct721372
9402831
10238330
11153074
12b5b0a
1384631
1462bd8
154a93a
hex3a2fa

238330 has 8 divisors (see below), whose sum is σ = 429012. Its totient is φ = 95328.

The previous prime is 238321. The next prime is 238331. The reversal of 238330 is 33832.

It can be written as a sum of positive squares in 2 ways, for example, as 233289 + 5041 = 483^2 + 71^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 238298 and 238307.

It is not an unprimeable number, because it can be changed into a prime (238331) 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 3 ways as a sum of consecutive naturals, for example, 11907 + ... + 11926.

2238330 is an apocalyptic number.

238330 is a deficient number, since it is larger than the sum of its proper divisors (190682).

238330 is a wasteful number, since it uses less digits than its factorization.

238330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23840.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 238330 is about 488.1905365736. The cubic root of 238330 is about 62.0001734300. Note that the first 3 decimals are identical.

The spelling of 238330 in words is "two hundred thirty-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 23833 47666 119165 238330