Base | Representation |
---|---|
bin | 101010010101000… |
… | …1011100010001001 |
3 | 10122222121220220100 |
4 | 1110222023202021 |
5 | 10402101442213 |
6 | 352534520013 |
7 | 50124501645 |
oct | 12452134211 |
9 | 3588556810 |
10 | 1420343433 |
11 | 669824053 |
12 | 337806009 |
13 | 198352302 |
14 | d68c9c25 |
15 | 84a62773 |
hex | 54a8b889 |
1420343433 has 12 divisors (see below), whose sum is σ = 2052276928. Its totient is φ = 946586520.
The previous prime is 1420343429. The next prime is 1420343437. The reversal of 1420343433 is 3343430241.
It is an interprime number because it is at equal distance from previous prime (1420343429) and next prime (1420343437).
It is not a de Polignac number, because 1420343433 - 22 = 1420343429 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1420343397 and 1420343406.
It is not an unprimeable number, because it can be changed into a prime (1420343437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5316 + ... + 53562.
Almost surely, 21420343433 is an apocalyptic number.
It is an amenable number.
1420343433 is a deficient number, since it is larger than the sum of its proper divisors (631933495).
1420343433 is a wasteful number, since it uses less digits than its factorization.
1420343433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51524 (or 51521 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
The square root of 1420343433 is about 37687.4439701076. The cubic root of 1420343433 is about 1124.0814712900.
Adding to 1420343433 its reverse (3343430241), we get a palindrome (4763773674).
The spelling of 1420343433 in words is "one billion, four hundred twenty million, three hundred forty-three thousand, four hundred thirty-three".
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