Base | Representation |
---|---|
bin | 101111111110101… |
… | …000100110110101 |
3 | 2002002122121121220 |
4 | 233332220212311 |
5 | 3122031322110 |
6 | 211512500553 |
7 | 25642643232 |
oct | 5776504665 |
9 | 2062577556 |
10 | 804948405 |
11 | 383410718 |
12 | 1a56aa759 |
13 | ca9c6341 |
14 | 78c96789 |
15 | 4aa03370 |
hex | 2ffa89b5 |
804948405 has 8 divisors (see below), whose sum is σ = 1287917472. Its totient is φ = 429305808.
The previous prime is 804948373. The next prime is 804948409. The reversal of 804948405 is 504849408.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 804948405 - 25 = 804948373 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (804948409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26831599 + ... + 26831628.
It is an arithmetic number, because the mean of its divisors is an integer number (160989684).
Almost surely, 2804948405 is an apocalyptic number.
It is an amenable number.
804948405 is a deficient number, since it is larger than the sum of its proper divisors (482969067).
804948405 is a wasteful number, since it uses less digits than its factorization.
804948405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53663235.
The product of its (nonzero) digits is 184320, while the sum is 42.
The square root of 804948405 is about 28371.6126612500. The cubic root of 804948405 is about 930.2278722455.
The spelling of 804948405 in words is "eight hundred four million, nine hundred forty-eight thousand, four hundred five".
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