Base | Representation |
---|---|
bin | 110000001100100… |
… | …101010010101000 |
3 | 2002100112101022102 |
4 | 300030211102220 |
5 | 3124000323330 |
6 | 212123112532 |
7 | 26016012341 |
oct | 6014452250 |
9 | 2070471272 |
10 | 808604840 |
11 | 38548886a |
12 | 1a6972748 |
13 | cb6a6704 |
14 | 795690c8 |
15 | 4aec6945 |
hex | 303254a8 |
808604840 has 32 divisors (see below), whose sum is σ = 1820206080. Its totient is φ = 323291712.
The previous prime is 808604833. The next prime is 808604851. The reversal of 808604840 is 48406808.
It is a junction number, because it is equal to n+sod(n) for n = 808604794 and 808604803.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130697 + ... + 136743.
It is an arithmetic number, because the mean of its divisors is an integer number (56881440).
Almost surely, 2808604840 is an apocalyptic number.
It is an amenable number.
808604840 is an abundant number, since it is smaller than the sum of its proper divisors (1011601240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808604840 is a wasteful number, since it uses less digits than its factorization.
808604840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9401 (or 9397 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 38.
The square root of 808604840 is about 28435.9779153100. The cubic root of 808604840 is about 931.6342483499.
The spelling of 808604840 in words is "eight hundred eight million, six hundred four thousand, eight hundred forty".
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