Base | Representation |
---|---|
bin | 110000001101100… |
… | …100110011001101 |
3 | 2002101000121010222 |
4 | 300031210303031 |
5 | 3124032134343 |
6 | 212132441125 |
7 | 26021144630 |
oct | 6015446315 |
9 | 2071017128 |
10 | 808864973 |
11 | 385646254 |
12 | 1a6a791a5 |
13 | cb767c37 |
14 | 795d5c17 |
15 | 4b028a68 |
hex | 30364ccd |
808864973 has 8 divisors (see below), whose sum is σ = 925741440. Its totient is φ = 692319600.
The previous prime is 808864957. The next prime is 808864999. The reversal of 808864973 is 379468808.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 808864973 - 24 = 808864957 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 (808864673) 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, 77513 + ... + 87326.
It is an arithmetic number, because the mean of its divisors is an integer number (115717680).
Almost surely, 2808864973 is an apocalyptic number.
It is an amenable number.
808864973 is a deficient number, since it is larger than the sum of its proper divisors (116876467).
808864973 is a wasteful number, since it uses less digits than its factorization.
808864973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165547.
The product of its (nonzero) digits is 2322432, while the sum is 53.
The square root of 808864973 is about 28440.5515593492. The cubic root of 808864973 is about 931.7341417367.
The spelling of 808864973 in words is "eight hundred eight million, eight hundred sixty-four thousand, nine hundred seventy-three".
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