Base | Representation |
---|---|
bin | 101010100111111… |
… | …0110110111010010 |
3 | 10200200012201100002 |
4 | 1111033312313102 |
5 | 10412114021432 |
6 | 353530330002 |
7 | 50304446213 |
oct | 12517666722 |
9 | 3620181302 |
10 | 1430220242 |
11 | 67435a700 |
12 | 33ab89902 |
13 | 19a3cca89 |
14 | d7d3b40a |
15 | 85863e62 |
hex | 553f6dd2 |
1430220242 has 24 divisors (see below), whose sum is σ = 2361921996. Its totient is φ = 649044000.
The previous prime is 1430220137. The next prime is 1430220271. The reversal of 1430220242 is 2420220341.
It can be written as a sum of positive squares in 2 ways, for example, as 1350636001 + 79584241 = 36751^2 + 8921^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155492 + ... + 164432.
Almost surely, 21430220242 is an apocalyptic number.
1430220242 is a deficient number, since it is larger than the sum of its proper divisors (931701754).
1430220242 is a wasteful number, since it uses less digits than its factorization.
1430220242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9626 (or 9615 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 1430220242 is about 37818.2527623898. The cubic root of 1430220242 is about 1126.6810074658.
Adding to 1430220242 its reverse (2420220341), we get a palindrome (3850440583).
Subtracting 1430220242 from its reverse (2420220341), we obtain a palindrome (990000099).
The spelling of 1430220242 in words is "one billion, four hundred thirty million, two hundred twenty thousand, two hundred forty-two".
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