Base | Representation |
---|---|
bin | 1010000100011… |
… | …0000111001111 |
3 | 2221110111222100 |
4 | 2201012013033 |
5 | 41302331343 |
6 | 4105050143 |
7 | 1021644120 |
oct | 241060717 |
9 | 87414870 |
10 | 42230223 |
11 | 21924212 |
12 | 12186953 |
13 | 89979c9 |
14 | 5874047 |
15 | 3a929d3 |
hex | 28461cf |
42230223 has 12 divisors (see below), whose sum is σ = 69713488. Its totient is φ = 24131520.
The previous prime is 42230219. The next prime is 42230249. The reversal of 42230223 is 32203224.
It is not a de Polignac number, because 42230223 - 22 = 42230219 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42230196 and 42230205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42230213) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335098 + ... + 335223.
Almost surely, 242230223 is an apocalyptic number.
42230223 is a deficient number, since it is larger than the sum of its proper divisors (27483265).
42230223 is a wasteful number, since it uses less digits than its factorization.
42230223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 670334 (or 670331 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 42230223 is about 6498.4785142370. The cubic root of 42230223 is about 348.2366355269.
Adding to 42230223 its reverse (32203224), we get a palindrome (74433447).
It can be divided in two parts, 4223022 and 3, that added together give a square (4223025 = 20552).
The spelling of 42230223 in words is "forty-two million, two hundred thirty thousand, two hundred twenty-three".
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