Base | Representation |
---|---|
bin | 11101011101011… |
… | …000110010000000 |
3 | 1021110000010212020 |
4 | 131131120302000 |
5 | 2003011233234 |
6 | 121013201440 |
7 | 15150665346 |
oct | 3535306200 |
9 | 1243003766 |
10 | 494242944 |
11 | 233a95048 |
12 | 119630280 |
13 | 7b51a860 |
14 | 498d7996 |
15 | 2d5cc549 |
hex | 1d758c80 |
494242944 has 128 divisors (see below), whose sum is σ = 1424230080. Its totient is φ = 150958080.
The previous prime is 494242943. The next prime is 494242961. The reversal of 494242944 is 449242494.
It is a tau number, because it is divible by the number of its divisors (128).
It is a junction number, because it is equal to n+sod(n) for n = 494242896 and 494242905.
It is not an unprimeable number, because it can be changed into a prime (494242943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903279 + ... + 903825.
Almost surely, 2494242944 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 494242944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712115040).
494242944 is an abundant number, since it is smaller than the sum of its proper divisors (929987136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
494242944 is a wasteful number, since it uses less digits than its factorization.
494242944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 758 (or 746 counting only the distinct ones).
The product of its digits is 331776, while the sum is 42.
The square root of 494242944 is about 22231.5753827748. The cubic root of 494242944 is about 790.6425067369.
The spelling of 494242944 in words is "four hundred ninety-four million, two hundred forty-two thousand, nine hundred forty-four".
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