Base | Representation |
---|---|
bin | 101010010101001… |
… | …1110110100100001 |
3 | 10122222202221021021 |
4 | 1110222132310201 |
5 | 10402112004213 |
6 | 352540325441 |
7 | 50125251163 |
oct | 12452366441 |
9 | 3588687237 |
10 | 1420422433 |
11 | 669878441 |
12 | 337843881 |
13 | 19837c261 |
14 | d690a933 |
15 | 84a7ad8d |
hex | 54a9ed21 |
1420422433 has 4 divisors (see below), whose sum is σ = 1420736020. Its totient is φ = 1420108848.
The previous prime is 1420422413. The next prime is 1420422457. The reversal of 1420422433 is 3342240241.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3342240241 = 1777 ⋅1880833.
It can be written as a sum of positive squares in 2 ways, for example, as 139641489 + 1280780944 = 11817^2 + 35788^2 .
It is a cyclic number.
It is not a de Polignac number, because 1420422433 - 25 = 1420422401 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1420422398 and 1420422407.
It is not an unprimeable number, because it can be changed into a prime (1420422413) 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, 149898 + ... + 159091.
It is an arithmetic number, because the mean of its divisors is an integer number (355184005).
Almost surely, 21420422433 is an apocalyptic number.
It is an amenable number.
1420422433 is a deficient number, since it is larger than the sum of its proper divisors (313587).
1420422433 is an equidigital number, since it uses as much as digits as its factorization.
1420422433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313586.
The product of its (nonzero) digits is 4608, while the sum is 25.
The square root of 1420422433 is about 37688.4920499614. The cubic root of 1420422433 is about 1124.1023115056.
Adding to 1420422433 its reverse (3342240241), we get a palindrome (4762662674).
The spelling of 1420422433 in words is "one billion, four hundred twenty million, four hundred twenty-two thousand, four hundred thirty-three".
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