Base | Representation |
---|---|
bin | 101010111111110… |
… | …0101000111001001 |
3 | 10201112202022002210 |
4 | 1111333211013021 |
5 | 10423314333231 |
6 | 355054415333 |
7 | 50516002125 |
oct | 12577450711 |
9 | 3645668083 |
10 | 1442730441 |
11 | 680424809 |
12 | 343201549 |
13 | 19cb90069 |
14 | d9876585 |
15 | 869d5a46 |
hex | 55fe51c9 |
1442730441 has 16 divisors (see below), whose sum is σ = 1939002176. Its totient is φ = 954161856.
The previous prime is 1442730413. The next prime is 1442730467. The reversal of 1442730441 is 1440372441.
It is not a de Polignac number, because 1442730441 - 217 = 1442599369 is a prime.
It is a super-2 number, since 2×14427304412 = 4162942250776108962, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1442730399 and 1442730408.
It is not an unprimeable number, because it can be changed into a prime (1442731441) 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, 297351 + ... + 302163.
It is an arithmetic number, because the mean of its divisors is an integer number (121187636).
Almost surely, 21442730441 is an apocalyptic number.
It is an amenable number.
1442730441 is a deficient number, since it is larger than the sum of its proper divisors (496271735).
1442730441 is a wasteful number, since it uses less digits than its factorization.
1442730441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5592.
The product of its (nonzero) digits is 10752, while the sum is 30.
The square root of 1442730441 is about 37983.2916030193. The cubic root of 1442730441 is about 1129.9565182841.
The spelling of 1442730441 in words is "one billion, four hundred forty-two million, seven hundred thirty thousand, four hundred forty-one".
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