Base | Representation |
---|---|
bin | 101011000010100… |
… | …1111001010110000 |
3 | 10201122112122101002 |
4 | 1112011033022300 |
5 | 10424204312144 |
6 | 355150301132 |
7 | 50534416523 |
oct | 12605171260 |
9 | 3648478332 |
10 | 1444213424 |
11 | 681247a15 |
12 | 3437b77a8 |
13 | 1a028c074 |
14 | d9b40bba |
15 | 86bca14e |
hex | 5614f2b0 |
1444213424 has 40 divisors (see below), whose sum is σ = 2926500192. Its totient is φ = 689131520.
The previous prime is 1444213423. The next prime is 1444213429. The reversal of 1444213424 is 4243124441.
It is not an unprimeable number, because it can be changed into a prime (1444213423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165392 + ... + 173904.
Almost surely, 21444213424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1444213424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463250096).
1444213424 is an abundant number, since it is smaller than the sum of its proper divisors (1482286768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1444213424 is a wasteful number, since it uses less digits than its factorization.
1444213424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9005 (or 8999 counting only the distinct ones).
The product of its digits is 12288, while the sum is 29.
The square root of 1444213424 is about 38002.8081067702. The cubic root of 1444213424 is about 1130.3435465730.
Adding to 1444213424 its reverse (4243124441), we get a palindrome (5687337865).
The spelling of 1444213424 in words is "one billion, four hundred forty-four million, two hundred thirteen thousand, four hundred twenty-four".
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