Base | Representation |
---|---|
bin | 101010111011001… |
… | …1001010111101101 |
3 | 10201101012222210021 |
4 | 1111312121113231 |
5 | 10422210314203 |
6 | 354531042141 |
7 | 50456354401 |
oct | 12566312755 |
9 | 3641188707 |
10 | 1440323053 |
11 | 67a030034 |
12 | 342440351 |
13 | 19c529380 |
14 | d940b101 |
15 | 866ac5bd |
hex | 55d995ed |
1440323053 has 8 divisors (see below), whose sum is σ = 1574269088. Its totient is φ = 1309684464.
The previous prime is 1440323039. The next prime is 1440323083. The reversal of 1440323053 is 3503230441.
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 1440323053 - 217 = 1440191981 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 (1440323083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825951 + ... + 827692.
It is an arithmetic number, because the mean of its divisors is an integer number (196783636).
Almost surely, 21440323053 is an apocalyptic number.
1440323053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1440323053 is a deficient number, since it is larger than the sum of its proper divisors (133946035).
1440323053 is a wasteful number, since it uses less digits than its factorization.
1440323053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1653723.
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 1440323053 is about 37951.5882803342. The cubic root of 1440323053 is about 1129.3276740409.
Adding to 1440323053 its reverse (3503230441), we get a palindrome (4943553494).
The spelling of 1440323053 in words is "one billion, four hundred forty million, three hundred twenty-three thousand, fifty-three".
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