Base | Representation |
---|---|
bin | 101010010101000… |
… | …0110111001010001 |
3 | 10122222120221211122 |
4 | 1110222012321101 |
5 | 10402100340213 |
6 | 352534252025 |
7 | 50124362363 |
oct | 12452067121 |
9 | 3588527748 |
10 | 1420324433 |
11 | 669810850 |
12 | 3377b7015 |
13 | 198346778 |
14 | d68c2d33 |
15 | 84a5bd08 |
hex | 54a86e51 |
1420324433 has 4 divisors (see below), whose sum is σ = 1549444848. Its totient is φ = 1291204020.
The previous prime is 1420324421. The next prime is 1420324441. The reversal of 1420324433 is 3344230241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3344230241 = 11 ⋅304020931.
It is a cyclic number.
It is not a de Polignac number, because 1420324433 - 24 = 1420324417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1420324403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64560191 + ... + 64560212.
It is an arithmetic number, because the mean of its divisors is an integer number (387361212).
Almost surely, 21420324433 is an apocalyptic number.
It is an amenable number.
1420324433 is a deficient number, since it is larger than the sum of its proper divisors (129120415).
1420324433 is a wasteful number, since it uses less digits than its factorization.
1420324433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129120414.
The product of its (nonzero) digits is 6912, while the sum is 26.
The square root of 1420324433 is about 37687.1918959214. The cubic root of 1420324433 is about 1124.0764589710.
Adding to 1420324433 its reverse (3344230241), we get a palindrome (4764554674).
The spelling of 1420324433 in words is "one billion, four hundred twenty million, three hundred twenty-four thousand, four hundred thirty-three".
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