Base | Representation |
---|---|
bin | 11100011001011… |
… | …11101100010101 |
3 | 121121020221021210 |
4 | 32030233230111 |
5 | 441441101401 |
6 | 35345532033 |
7 | 5621566035 |
oct | 1614575425 |
9 | 547227253 |
10 | 238222101 |
11 | 112519877 |
12 | 67944019 |
13 | 3a47a830 |
14 | 238d18c5 |
15 | 15da94d6 |
hex | e32fb15 |
238222101 has 16 divisors (see below), whose sum is σ = 342776000. Its totient is φ = 146292480.
The previous prime is 238222099. The next prime is 238222123. The reversal of 238222101 is 101222832.
It is a happy number.
It is not a de Polignac number, because 238222101 - 21 = 238222099 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238222001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13341 + ... + 25581.
It is an arithmetic number, because the mean of its divisors is an integer number (21423500).
Almost surely, 2238222101 is an apocalyptic number.
It is an amenable number.
238222101 is a deficient number, since it is larger than the sum of its proper divisors (104553899).
238222101 is a wasteful number, since it uses less digits than its factorization.
238222101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12756.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 238222101 is about 15434.4452767179. The cubic root of 238222101 is about 619.9081558368.
Adding to 238222101 its reverse (101222832), we get a palindrome (339444933).
The spelling of 238222101 in words is "two hundred thirty-eight million, two hundred twenty-two thousand, one hundred one".
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