Base | Representation |
---|---|
bin | 101010111111001… |
… | …1100100110011001 |
3 | 10201112012012200111 |
4 | 1111332130212121 |
5 | 10423230332213 |
6 | 355044204321 |
7 | 50513324200 |
oct | 12576344631 |
9 | 3645165614 |
10 | 1442433433 |
11 | 680241651 |
12 | 3430996a1 |
13 | 19cab7b0c |
14 | d97da237 |
15 | 86977a3d |
hex | 55f9c999 |
1442433433 has 12 divisors (see below), whose sum is σ = 1683676260. Its totient is φ = 1232139552.
The previous prime is 1442433397. The next prime is 1442433449. The reversal of 1442433433 is 3343342441.
It can be written as a sum of positive squares in 2 ways, for example, as 1335683209 + 106750224 = 36547^2 + 10332^2 .
It is not a de Polignac number, because 1442433433 - 225 = 1408879001 is a prime.
It is a super-2 number, since 2×14424334332 = 4161228417272330978, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1442433395 and 1442433404.
It is not an unprimeable number, because it can be changed into a prime (1442431433) 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, 35878 + ... + 64591.
It is an arithmetic number, because the mean of its divisors is an integer number (140306355).
Almost surely, 21442433433 is an apocalyptic number.
It is an amenable number.
1442433433 is a deficient number, since it is larger than the sum of its proper divisors (241242827).
1442433433 is a wasteful number, since it uses less digits than its factorization.
1442433433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100776 (or 100769 counting only the distinct ones).
The product of its digits is 41472, while the sum is 31.
The square root of 1442433433 is about 37979.3816826973. The cubic root of 1442433433 is about 1129.8789733853.
Adding to 1442433433 its reverse (3343342441), we get a palindrome (4785775874).
The spelling of 1442433433 in words is "one billion, four hundred forty-two million, four hundred thirty-three thousand, four hundred thirty-three".
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