Base | Representation |
---|---|
bin | 11100011110011… |
… | …10111011010001 |
3 | 121122111001222002 |
4 | 32033032323101 |
5 | 442122434241 |
6 | 35411523345 |
7 | 5630253410 |
oct | 1617167321 |
9 | 548431862 |
10 | 238874321 |
11 | 1129248a4 |
12 | 67bb9555 |
13 | 3a64866a |
14 | 23a21477 |
15 | 15e8789b |
hex | e3ceed1 |
238874321 has 8 divisors (see below), whose sum is σ = 273095424. Its totient is φ = 204677280.
The previous prime is 238874281. The next prime is 238874329. The reversal of 238874321 is 123478832.
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-238874321 is a prime.
It is a super-2 number, since 2×2388743212 = 114121882466422082, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (238874329) 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, 28421 + ... + 35853.
It is an arithmetic number, because the mean of its divisors is an integer number (34136928).
Almost surely, 2238874321 is an apocalyptic number.
It is an amenable number.
238874321 is a deficient number, since it is larger than the sum of its proper divisors (34221103).
238874321 is an equidigital number, since it uses as much as digits as its factorization.
238874321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12031.
The product of its digits is 64512, while the sum is 38.
The square root of 238874321 is about 15455.5595498837. The cubic root of 238874321 is about 620.4733819681.
The spelling of 238874321 in words is "two hundred thirty-eight million, eight hundred seventy-four thousand, three hundred twenty-one".
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