Base | Representation |
---|---|
bin | 101111111011010… |
… | …011100010100101 |
3 | 2002001000021110221 |
4 | 233323103202211 |
5 | 3121320410220 |
6 | 211442044341 |
7 | 25632346660 |
oct | 5773234245 |
9 | 2061007427 |
10 | 804075685 |
11 | 382974a66 |
12 | 1a53496b1 |
13 | ca77c03a |
14 | 78b0a6d7 |
15 | 4a8ce9aa |
hex | 2fed38a5 |
804075685 has 16 divisors (see below), whose sum is σ = 1103346432. Its totient is φ = 551059200.
The previous prime is 804075683. The next prime is 804075743. The reversal of 804075685 is 586570408.
It is not a de Polignac number, because 804075685 - 21 = 804075683 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (804075683) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70320 + ... + 80950.
It is an arithmetic number, because the mean of its divisors is an integer number (68959152).
Almost surely, 2804075685 is an apocalyptic number.
It is an amenable number.
804075685 is a deficient number, since it is larger than the sum of its proper divisors (299270747).
804075685 is a wasteful number, since it uses less digits than its factorization.
804075685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12804.
The product of its (nonzero) digits is 268800, while the sum is 43.
The square root of 804075685 is about 28356.2283281822. The cubic root of 804075685 is about 929.8915682730.
The spelling of 804075685 in words is "eight hundred four million, seventy-five thousand, six hundred eighty-five".
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