Base | Representation |
---|---|
bin | 101010111010110… |
… | …0010111111100101 |
3 | 10201100210200021002 |
4 | 1111311202333211 |
5 | 10422131202300 |
6 | 354522203045 |
7 | 50454436136 |
oct | 12565427745 |
9 | 3640720232 |
10 | 1440100325 |
11 | 679998764 |
12 | 342353485 |
13 | 19c47bb91 |
14 | d938dc8d |
15 | 866665d5 |
hex | 55d62fe5 |
1440100325 has 12 divisors (see below), whose sum is σ = 1787073120. Its totient is φ = 1151210160.
The previous prime is 1440100303. The next prime is 1440100339. The reversal of 1440100325 is 5230010441.
It is not a de Polignac number, because 1440100325 - 214 = 1440083941 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1440100297 and 1440100306.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 13106 + ... + 55244.
It is an arithmetic number, because the mean of its divisors is an integer number (148922760).
Almost surely, 21440100325 is an apocalyptic number.
It is an amenable number.
1440100325 is a deficient number, since it is larger than the sum of its proper divisors (346972795).
1440100325 is a wasteful number, since it uses less digits than its factorization.
1440100325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43516 (or 43511 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1440100325 is about 37948.6537969399. The cubic root of 1440100325 is about 1129.2694588926.
Adding to 1440100325 its reverse (5230010441), we get a palindrome (6670110766).
The spelling of 1440100325 in words is "one billion, four hundred forty million, one hundred thousand, three hundred twenty-five".
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