Base | Representation |
---|---|
bin | 10011001000000… |
… | …11010000000000 |
3 | 102011220110202201 |
4 | 21210003100000 |
5 | 312033223230 |
6 | 23530522544 |
7 | 3655522651 |
oct | 1144032000 |
9 | 364813681 |
10 | 160445440 |
11 | 82627041 |
12 | 45896454 |
13 | 2731843c |
14 | 17447528 |
15 | e1445ca |
hex | 9903400 |
160445440 has 44 divisors (see below), whose sum is σ = 384893316. Its totient is φ = 64176128.
The previous prime is 160445437. The next prime is 160445449. The reversal of 160445440 is 44544061.
160445440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 113550336 + 46895104 = 10656^2 + 6848^2 .
It is a junction number, because it is equal to n+sod(n) for n = 160445399 and 160445408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (160445449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10549 + ... + 20788.
Almost surely, 2160445440 is an apocalyptic number.
160445440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
160445440 is an abundant number, since it is smaller than the sum of its proper divisors (224447876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
160445440 is an equidigital number, since it uses as much as digits as its factorization.
160445440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31362 (or 31344 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 28.
The square root of 160445440 is about 12666.7059648513. The cubic root of 160445440 is about 543.3868524278.
The spelling of 160445440 in words is "one hundred sixty million, four hundred forty-five thousand, four hundred forty".
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