Base | Representation |
---|---|
bin | 1110010110111… |
… | …01000010000000 |
3 | 22101122010202011 |
4 | 13023131002000 |
5 | 221313134013 |
6 | 15541302304 |
7 | 2661514540 |
oct | 713350200 |
9 | 271563664 |
10 | 120443008 |
11 | 61a94684 |
12 | 34404994 |
13 | 1bc5076a |
14 | 11dd3320 |
15 | a891c3d |
hex | 72dd080 |
120443008 has 64 divisors (see below), whose sum is σ = 275889600. Its totient is φ = 51305472.
The previous prime is 120442997. The next prime is 120443009. The reversal of 120443008 is 800344021.
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 120443008.
It is not an unprimeable number, because it can be changed into a prime (120443009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204891 + ... + 205477.
It is an arithmetic number, because the mean of its divisors is an integer number (4310775).
Almost surely, 2120443008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 120443008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137944800).
120443008 is an abundant number, since it is smaller than the sum of its proper divisors (155446592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120443008 is an equidigital number, since it uses as much as digits as its factorization.
120443008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 837 (or 825 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 120443008 is about 10974.6529785684. The cubic root of 120443008 is about 493.8486426214.
Adding to 120443008 its reverse (800344021), we get a palindrome (920787029).
The spelling of 120443008 in words is "one hundred twenty million, four hundred forty-three thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •