Base | Representation |
---|---|
bin | 110000001101000… |
… | …100000101000000 |
3 | 2002100202210021221 |
4 | 300031010011000 |
5 | 3124013342234 |
6 | 212125524424 |
7 | 26020046110 |
oct | 6015040500 |
9 | 2070683257 |
10 | 808730944 |
11 | 38556458a |
12 | 1a6a13714 |
13 | cb71bc28 |
14 | 7959d040 |
15 | 4aeedeb4 |
hex | 30344140 |
808730944 has 28 divisors (see below), whose sum is σ = 1834087264. Its totient is φ = 346598784.
The previous prime is 808730939. The next prime is 808730957. The reversal of 808730944 is 449037808.
It is a tau number, because it is divible by the number of its divisors (28).
It is a super-2 number, since 2×8087309442 = 1308091479566262272, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 808730944.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902154 + ... + 903049.
Almost surely, 2808730944 is an apocalyptic number.
It is an amenable number.
808730944 is an abundant number, since it is smaller than the sum of its proper divisors (1025356320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808730944 is a wasteful number, since it uses less digits than its factorization.
808730944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1805222 (or 1805212 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 808730944 is about 28438.1951607341. The cubic root of 808730944 is about 931.6826760832.
The spelling of 808730944 in words is "eight hundred eight million, seven hundred thirty thousand, nine hundred forty-four".
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