Base | Representation |
---|---|
bin | 11110011110110100000 |
3 | 1212202010012 |
4 | 3303312200 |
5 | 223430231 |
6 | 33224052 |
7 | 11330000 |
oct | 3636640 |
9 | 1782105 |
10 | 998816 |
11 | 622475 |
12 | 402028 |
13 | 28c820 |
14 | 1c0000 |
15 | 14ae2b |
hex | f3da0 |
998816 has 60 divisors (see below), whose sum is σ = 2470482. Its totient is φ = 395136.
The previous prime is 998813. The next prime is 998819. The reversal of 998816 is 618899.
It is an interprime number because it is at equal distance from previous prime (998813) and next prime (998819).
It can be written as a sum of positive squares in only one way, i.e., 960400 + 38416 = 980^2 + 196^2 .
It is a zygodrome in base 7.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998816.
It is not an unprimeable number, because it can be changed into a prime (998813) by changing a digit.
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 9 ways as a sum of consecutive naturals, for example, 76826 + ... + 76838.
2998816 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 998816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1235241).
998816 is an abundant number, since it is smaller than the sum of its proper divisors (1471666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
998816 is an equidigital number, since it uses as much as digits as its factorization.
998816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51 (or 22 counting only the distinct ones).
The product of its digits is 31104, while the sum is 41.
The square root of 998816 is about 999.4078246642. The cubic root of 998816 is about 99.9605177469.
The spelling of 998816 in words is "nine hundred ninety-eight thousand, eight hundred sixteen".
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