Base | Representation |
---|---|
bin | 101010111111001… |
… | …1111010011110010 |
3 | 10201112012202220111 |
4 | 1111332133103302 |
5 | 10423231211110 |
6 | 355044331534 |
7 | 50513401432 |
oct | 12576372362 |
9 | 3645182814 |
10 | 1442444530 |
11 | 680249a1a |
12 | 3430a3baa |
13 | 19cabcb97 |
14 | d98002c2 |
15 | 8697ae8a |
hex | 55f9f4f2 |
1442444530 has 32 divisors (see below), whose sum is σ = 2633497920. Its totient is φ = 568787520.
The previous prime is 1442444513. The next prime is 1442444551. The reversal of 1442444530 is 354442441.
It is a junction number, because it is equal to n+sod(n) for n = 1442444492 and 1442444501.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222576 + ... + 228964.
It is an arithmetic number, because the mean of its divisors is an integer number (82296810).
Almost surely, 21442444530 is an apocalyptic number.
1442444530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1442444530 is a deficient number, since it is larger than the sum of its proper divisors (1191053390).
1442444530 is a wasteful number, since it uses less digits than its factorization.
1442444530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6714.
The product of its (nonzero) digits is 30720, while the sum is 31.
The square root of 1442444530 is about 37979.5277748421. The cubic root of 1442444530 is about 1129.8818708580.
Adding to 1442444530 its reverse (354442441), we get a palindrome (1796886971).
The spelling of 1442444530 in words is "one billion, four hundred forty-two million, four hundred forty-four thousand, five hundred thirty".
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