Base | Representation |
---|---|
bin | 101011000000111… |
… | …0111100000000001 |
3 | 10201120212202121111 |
4 | 1112001313200001 |
5 | 10423443030144 |
6 | 355115323321 |
7 | 50524050220 |
oct | 12601674001 |
9 | 3646782544 |
10 | 1443330049 |
11 | 6807a4257 |
12 | 343450541 |
13 | 1a003cc65 |
14 | d9990cb7 |
15 | 86aa3534 |
hex | 56077801 |
1443330049 has 4 divisors (see below), whose sum is σ = 1649520064. Its totient is φ = 1237140036.
The previous prime is 1443330047. The next prime is 1443330059. The reversal of 1443330049 is 9400333441.
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 1443330049 - 21 = 1443330047 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1443330049.
It is not an unprimeable number, because it can be changed into a prime (1443330047) 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, 103094997 + ... + 103095010.
It is an arithmetic number, because the mean of its divisors is an integer number (412380016).
Almost surely, 21443330049 is an apocalyptic number.
It is an amenable number.
1443330049 is a deficient number, since it is larger than the sum of its proper divisors (206190015).
1443330049 is an equidigital number, since it uses as much as digits as its factorization.
1443330049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206190014.
The product of its (nonzero) digits is 15552, while the sum is 31.
The square root of 1443330049 is about 37991.1838325683. The cubic root of 1443330049 is about 1130.1130356552.
The spelling of 1443330049 in words is "one billion, four hundred forty-three million, three hundred thirty thousand, forty-nine".
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