Base | Representation |
---|---|
bin | 101100000100101111011 |
3 | 2201101002121 |
4 | 11200211323 |
5 | 332203334 |
6 | 50542111 |
7 | 15163360 |
oct | 5404573 |
9 | 2641077 |
10 | 1444219 |
11 | 8a7077 |
12 | 597937 |
13 | 3b748a |
14 | 298467 |
15 | 1d7db4 |
hex | 16097b |
1444219 has 8 divisors (see below), whose sum is σ = 1660640. Its totient is φ = 1230336.
The previous prime is 1444217. The next prime is 1444237. The reversal of 1444219 is 9124441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1444219 - 21 = 1444217 is a prime.
It is a super-2 number, since 2×14442192 = 4171537039922, which contains 22 as substring.
It is a Duffinian number.
1444219 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 1444193 and 1444202.
It is not an unprimeable number, because it can be changed into a prime (1444213) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 817 + ... + 1885.
It is an arithmetic number, because the mean of its divisors is an integer number (207580).
21444219 is an apocalyptic number.
1444219 is a deficient number, since it is larger than the sum of its proper divisors (216421).
1444219 is a wasteful number, since it uses less digits than its factorization.
1444219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1269.
The product of its digits is 1152, while the sum is 25.
The square root of 1444219 is about 1201.7566309366. The cubic root of 1444219 is about 113.0345001295.
The spelling of 1444219 in words is "one million, four hundred forty-four thousand, two hundred nineteen".
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