Base | Representation |
---|---|
bin | 101011000010101… |
… | …0010000100111111 |
3 | 10201122120020201112 |
4 | 1112011102010333 |
5 | 10424210202333 |
6 | 355150432235 |
7 | 50534466341 |
oct | 12605220477 |
9 | 3648506645 |
10 | 1444225343 |
11 | 681255970 |
12 | 34380267b |
13 | 1a0294612 |
14 | d9b45291 |
15 | 86bcd948 |
hex | 5615213f |
1444225343 has 4 divisors (see below), whose sum is σ = 1575518568. Its totient is φ = 1312932120.
The previous prime is 1444225301. The next prime is 1444225399. The reversal of 1444225343 is 3435224441.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1444225343 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1444222343) 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, 65646596 + ... + 65646617.
It is an arithmetic number, because the mean of its divisors is an integer number (393879642).
Almost surely, 21444225343 is an apocalyptic number.
1444225343 is a deficient number, since it is larger than the sum of its proper divisors (131293225).
1444225343 is a wasteful number, since it uses less digits than its factorization.
1444225343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131293224.
The product of its digits is 46080, while the sum is 32.
The square root of 1444225343 is about 38002.9649238056. The cubic root of 1444225343 is about 1130.3466561152.
Adding to 1444225343 its reverse (3435224441), we get a palindrome (4879449784).
The spelling of 1444225343 in words is "one billion, four hundred forty-four million, two hundred twenty-five thousand, three hundred forty-three".
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