Base | Representation |
---|---|
bin | 101011000011111… |
… | …1101011100010001 |
3 | 10201200212220120001 |
4 | 1112013331130101 |
5 | 10424400132444 |
6 | 355213450001 |
7 | 50543451613 |
oct | 12607753421 |
9 | 3650786501 |
10 | 1444927249 |
11 | 681695257 |
12 | 343aa0901 |
13 | 1a047bc4c |
14 | d9c88db3 |
15 | 86cbb8d4 |
hex | 561fd711 |
1444927249 has 4 divisors (see below), whose sum is σ = 1455957360. Its totient is φ = 1433897140.
The previous prime is 1444927247. The next prime is 1444927273. The reversal of 1444927249 is 9427294441.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1444927249 - 21 = 1444927247 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1444927199 and 1444927208.
It is not an unprimeable number, because it can be changed into a prime (1444927243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5514859 + ... + 5515120.
It is an arithmetic number, because the mean of its divisors is an integer number (363989340).
Almost surely, 21444927249 is an apocalyptic number.
It is an amenable number.
1444927249 is a deficient number, since it is larger than the sum of its proper divisors (11030111).
1444927249 is a wasteful number, since it uses less digits than its factorization.
1444927249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11030110.
The product of its digits is 580608, while the sum is 46.
The square root of 1444927249 is about 38012.1986867374. The cubic root of 1444927249 is about 1130.5297458724.
The spelling of 1444927249 in words is "one billion, four hundred forty-four million, nine hundred twenty-seven thousand, two hundred forty-nine".
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