Base | Representation |
---|---|
bin | 101111111100111… |
… | …101000110001101 |
3 | 2002001211020120021 |
4 | 233330331012031 |
5 | 3121423224140 |
6 | 211455222141 |
7 | 25636130335 |
oct | 5774750615 |
9 | 2061736507 |
10 | 804508045 |
11 | 38313a890 |
12 | 1a5517951 |
13 | ca8a0a83 |
14 | 78bc00c5 |
15 | 4a967b4a |
hex | 2ff3d18d |
804508045 has 16 divisors (see below), whose sum is σ = 1053944640. Its totient is φ = 584668800.
The previous prime is 804508031. The next prime is 804508079. The reversal of 804508045 is 540805408.
It is not a de Polignac number, because 804508045 - 211 = 804505997 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 804508045.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 83950 + ... + 93040.
It is an arithmetic number, because the mean of its divisors is an integer number (65871540).
Almost surely, 2804508045 is an apocalyptic number.
It is an amenable number.
804508045 is a deficient number, since it is larger than the sum of its proper divisors (249436595).
804508045 is a wasteful number, since it uses less digits than its factorization.
804508045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10716.
The product of its (nonzero) digits is 25600, while the sum is 34.
The square root of 804508045 is about 28363.8510255572. The cubic root of 804508045 is about 930.0582092521.
The spelling of 804508045 in words is "eight hundred four million, five hundred eight thousand, forty-five".
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