Base | Representation |
---|---|
bin | 11100011110101… |
… | …01010000000000 |
3 | 121122112101111110 |
4 | 32033111100000 |
5 | 442124301344 |
6 | 35412243320 |
7 | 5630422053 |
oct | 1617252000 |
9 | 548471443 |
10 | 238900224 |
11 | 112942302 |
12 | 68010540 |
13 | 3a6573a4 |
14 | 23a2aa9a |
15 | 15e903b9 |
hex | e3d5400 |
238900224 has 88 divisors (see below), whose sum is σ = 670433440. Its totient is φ = 75423744.
The previous prime is 238900219. The next prime is 238900237. The reversal of 238900224 is 422009832.
It is a junction number, because it is equal to n+sod(n) for n = 238900191 and 238900200.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 56322 + ... + 60414.
Almost surely, 2238900224 is an apocalyptic number.
238900224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 238900224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335216720).
238900224 is an abundant number, since it is smaller than the sum of its proper divisors (431533216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238900224 is a wasteful number, since it uses less digits than its factorization.
238900224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4135 (or 4117 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 238900224 is about 15456.3975104162. The cubic root of 238900224 is about 620.4958087419.
The spelling of 238900224 in words is "two hundred thirty-eight million, nine hundred thousand, two hundred twenty-four".
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