Base | Representation |
---|---|
bin | 101011000010011… |
… | …0100100011101000 |
3 | 10201122100002212001 |
4 | 1112010310203220 |
5 | 10424142320144 |
6 | 355144100344 |
7 | 50533453660 |
oct | 12604644350 |
9 | 3648302761 |
10 | 1444104424 |
11 | 681183034 |
12 | 3437646b4 |
13 | 1a0251579 |
14 | d9b131a0 |
15 | 86ba7bd4 |
hex | 561348e8 |
1444104424 has 64 divisors (see below), whose sum is σ = 3279600000. Its totient is φ = 582329088.
The previous prime is 1444104407. The next prime is 1444104461. The reversal of 1444104424 is 4244014441.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 1444104392 and 1444104401.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153982 + ... + 163090.
It is an arithmetic number, because the mean of its divisors is an integer number (51243750).
Almost surely, 21444104424 is an apocalyptic number.
1444104424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1444104424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639800000).
1444104424 is an abundant number, since it is smaller than the sum of its proper divisors (1835495576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1444104424 is a wasteful number, since it uses less digits than its factorization.
1444104424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9290 (or 9286 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 28.
The square root of 1444104424 is about 38001.3739751604. The cubic root of 1444104424 is about 1130.3151088218.
Adding to 1444104424 its reverse (4244014441), we get a palindrome (5688118865).
The spelling of 1444104424 in words is "one billion, four hundred forty-four million, one hundred four thousand, four hundred twenty-four".
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