Base | Representation |
---|---|
bin | 11010101100111… |
… | …010010110001101 |
3 | 1011012221210022201 |
4 | 122230322112031 |
5 | 1404140342231 |
6 | 112241441501 |
7 | 14046526612 |
oct | 3254722615 |
9 | 1135853281 |
10 | 447980941 |
11 | 20a967791 |
12 | 106040291 |
13 | 71a709a5 |
14 | 436d4509 |
15 | 294e0161 |
hex | 1ab3a58d |
447980941 has 8 divisors (see below), whose sum is σ = 460764440. Its totient is φ = 435233088.
The previous prime is 447980921. The next prime is 447980947. The reversal of 447980941 is 149089744.
It can be written as a sum of positive squares in 4 ways, for example, as 62015625 + 385965316 = 7875^2 + 19646^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 447980941 - 211 = 447978893 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 447980891 and 447980900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (447980947) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17695 + ... + 34771.
It is an arithmetic number, because the mean of its divisors is an integer number (57595555).
Almost surely, 2447980941 is an apocalyptic number.
It is an amenable number.
447980941 is a deficient number, since it is larger than the sum of its proper divisors (12783499).
447980941 is a wasteful number, since it uses less digits than its factorization.
447980941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17823.
The product of its (nonzero) digits is 290304, while the sum is 46.
The square root of 447980941 is about 21165.5602571725. The cubic root of 447980941 is about 765.1616221945.
The spelling of 447980941 in words is "four hundred forty-seven million, nine hundred eighty thousand, nine hundred forty-one".
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