Base | Representation |
---|---|
bin | 11011011110111… |
… | …00101110001110 |
3 | 121001210202110211 |
4 | 31233130232032 |
5 | 433004322342 |
6 | 34513153034 |
7 | 5466401521 |
oct | 1557345616 |
9 | 531722424 |
10 | 230542222 |
11 | 109153869 |
12 | 6525b77a |
13 | 389bc021 |
14 | 22892bb8 |
15 | 1538dc17 |
hex | dbdcb8e |
230542222 has 16 divisors (see below), whose sum is σ = 351243360. Its totient is φ = 113474592.
The previous prime is 230542189. The next prime is 230542223. The reversal of 230542222 is 222245032.
It is a happy number.
It is a super-2 number, since 2×2305422222 = 106299432249394568, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 230542193 and 230542202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230542223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32404 + ... + 38872.
It is an arithmetic number, because the mean of its divisors is an integer number (21952710).
Almost surely, 2230542222 is an apocalyptic number.
230542222 is a deficient number, since it is larger than the sum of its proper divisors (120701138).
230542222 is a wasteful number, since it uses less digits than its factorization.
230542222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6747.
The product of its (nonzero) digits is 1920, while the sum is 22.
The square root of 230542222 is about 15183.6168945347. The cubic root of 230542222 is about 613.1736612420.
Adding to 230542222 its reverse (222245032), we get a palindrome (452787254).
The spelling of 230542222 in words is "two hundred thirty million, five hundred forty-two thousand, two hundred twenty-two".
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