Base | Representation |
---|---|
bin | 101011000010001… |
… | …1011001011111001 |
3 | 10201122010211022012 |
4 | 1112010123023321 |
5 | 10424131004010 |
6 | 355141535305 |
7 | 50532542003 |
oct | 12604331371 |
9 | 3648124265 |
10 | 1444000505 |
11 | 681111a52 |
12 | 343714535 |
13 | 1a021618c |
14 | d9ac7373 |
15 | 86b87005 |
hex | 5611b2f9 |
1444000505 has 16 divisors (see below), whose sum is σ = 1773826560. Its totient is φ = 1127965632.
The previous prime is 1444000489. The next prime is 1444000507. The reversal of 1444000505 is 5050004441.
It is a cyclic number.
It is not a de Polignac number, because 1444000505 - 24 = 1444000489 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1444000507) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96167 + ... + 110163.
It is an arithmetic number, because the mean of its divisors is an integer number (110864160).
Almost surely, 21444000505 is an apocalyptic number.
It is an amenable number.
1444000505 is a deficient number, since it is larger than the sum of its proper divisors (329826055).
1444000505 is a wasteful number, since it uses less digits than its factorization.
1444000505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14488.
The product of its (nonzero) digits is 1600, while the sum is 23.
The square root of 1444000505 is about 38000.0066447363. The cubic root of 1444000505 is about 1130.2879953546.
Adding to 1444000505 its reverse (5050004441), we get a palindrome (6494004946).
The spelling of 1444000505 in words is "one billion, four hundred forty-four million, five hundred five", and thus it is an aban number.
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