Base | Representation |
---|---|
bin | 101010010100111… |
… | …0111111010000110 |
3 | 10122222110211122001 |
4 | 1110221313322012 |
5 | 10402041404141 |
6 | 352533055514 |
7 | 50124015406 |
oct | 12451677206 |
9 | 3588424561 |
10 | 1420263046 |
11 | 669779714 |
12 | 33778759a |
13 | 198324847 |
14 | d68a8806 |
15 | 84a48a31 |
hex | 54a77e86 |
1420263046 has 4 divisors (see below), whose sum is σ = 2130394572. Its totient is φ = 710131522.
The previous prime is 1420263043. The next prime is 1420263121. The reversal of 1420263046 is 6403620241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6403620241 = 61 ⋅104977381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420263043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355065760 + ... + 355065763.
It is an arithmetic number, because the mean of its divisors is an integer number (532598643).
Almost surely, 21420263046 is an apocalyptic number.
1420263046 is a deficient number, since it is larger than the sum of its proper divisors (710131526).
1420263046 is an equidigital number, since it uses as much as digits as its factorization.
1420263046 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 710131525.
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 1420263046 is about 37686.3774592359. The cubic root of 1420263046 is about 1124.0602643904.
Adding to 1420263046 its reverse (6403620241), we get a palindrome (7823883287).
The spelling of 1420263046 in words is "one billion, four hundred twenty million, two hundred sixty-three thousand, forty-six".
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