Base | Representation |
---|---|
bin | 101010101010010… |
… | …0001101001000000 |
3 | 10200202111220001122 |
4 | 1111110201221000 |
5 | 10412422202112 |
6 | 354012451412 |
7 | 50321034134 |
oct | 12524415100 |
9 | 3622456048 |
10 | 1431444032 |
11 | 6750160a7 |
12 | 33b479b68 |
13 | 19a73ab05 |
14 | d81793c4 |
15 | 85a06872 |
hex | 55521a40 |
1431444032 has 28 divisors (see below), whose sum is σ = 2900964480. Its totient is φ = 700492416.
The previous prime is 1431444023. The next prime is 1431444073. The reversal of 1431444032 is 2304441341.
It is a junction number, because it is equal to n+sod(n) for n = 1431443992 and 1431444010.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234932 + ... + 240947.
Almost surely, 21431444032 is an apocalyptic number.
It is an amenable number.
1431444032 is an abundant number, since it is smaller than the sum of its proper divisors (1469520448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1431444032 is an equidigital number, since it uses as much as digits as its factorization.
1431444032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 475938 (or 475928 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 26.
The square root of 1431444032 is about 37834.4291882407. The cubic root of 1431444032 is about 1127.0022698436.
Adding to 1431444032 its reverse (2304441341), we get a palindrome (3735885373).
The spelling of 1431444032 in words is "one billion, four hundred thirty-one million, four hundred forty-four thousand, thirty-two".
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