Base | Representation |
---|---|
bin | 100110101001110… |
… | …001100111101110 |
3 | 1200012020110200020 |
4 | 212221301213232 |
5 | 2312003012413 |
6 | 144203143010 |
7 | 22033014603 |
oct | 4651614756 |
9 | 1605213606 |
10 | 648485358 |
11 | 303064714 |
12 | 161214a66 |
13 | a4473761 |
14 | 621a86aa |
15 | 3bde8c23 |
hex | 26a719ee |
648485358 has 8 divisors (see below), whose sum is σ = 1296970728. Its totient is φ = 216161784.
The previous prime is 648485351. The next prime is 648485381. The reversal of 648485358 is 853584846.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
648485358 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 648485358.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (648485351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54040441 + ... + 54040452.
It is an arithmetic number, because the mean of its divisors is an integer number (162121341).
Almost surely, 2648485358 is an apocalyptic number.
648485358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
648485358 is a wasteful number, since it uses less digits than its factorization.
648485358 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108080898.
The product of its digits is 3686400, while the sum is 51.
The square root of 648485358 is about 25465.3756697206. The cubic root of 648485358 is about 865.5657399218.
The spelling of 648485358 in words is "six hundred forty-eight million, four hundred eighty-five thousand, three hundred fifty-eight".
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