Base | Representation |
---|---|
bin | 100000010100… |
… | …010110101110 |
3 | 120221102101010 |
4 | 200110112232 |
5 | 4132100412 |
6 | 501330050 |
7 | 132003441 |
oct | 40242656 |
9 | 16842333 |
10 | 8471982 |
11 | 4867142 |
12 | 2a06926 |
13 | 19a820c |
14 | 11a7658 |
15 | b2533c |
hex | 8145ae |
8471982 has 8 divisors (see below), whose sum is σ = 16943976. Its totient is φ = 2823992.
The previous prime is 8471963. The next prime is 8472007. The reversal of 8471982 is 2891748.
It is a sphenic number, since it is the product of 3 distinct primes.
8471982 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 8471982.
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, 705993 + ... + 706004.
It is an arithmetic number, because the mean of its divisors is an integer number (2117997).
Almost surely, 28471982 is an apocalyptic number.
8471982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8471982 is a wasteful number, since it uses less digits than its factorization.
8471982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1412002.
The product of its digits is 32256, while the sum is 39.
The square root of 8471982 is about 2910.6669338830. Note that the first 3 decimals coincide. The cubic root of 8471982 is about 203.8582733399.
It can be divided in two parts, 8471 and 982, that added together give a triangular number (9453 = T137).
The spelling of 8471982 in words is "eight million, four hundred seventy-one thousand, nine hundred eighty-two".
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