Base | Representation |
---|---|
bin | 11110001111010000000 |
3 | 1212100012002 |
4 | 3301322000 |
5 | 223201343 |
6 | 33123132 |
7 | 11264525 |
oct | 3617200 |
9 | 1770162 |
10 | 990848 |
11 | 617491 |
12 | 3b94a8 |
13 | 289001 |
14 | 1bb14c |
15 | 1488b8 |
hex | f1e80 |
990848 has 16 divisors (see below), whose sum is σ = 1974210. Its totient is φ = 495360.
The previous prime is 990841. The next prime is 990851. The reversal of 990848 is 848099.
It can be written as a sum of positive squares in only one way, i.e., 937024 + 53824 = 968^2 + 232^2 .
It is a tau number, because it is divible by the number of its divisors (16).
It is not an unprimeable number, because it can be changed into a prime (990841) by changing a digit.
990848 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743 + ... + 3998.
2990848 is an apocalyptic number.
It is an amenable number.
990848 is a deficient number, since it is larger than the sum of its proper divisors (983362).
990848 is an equidigital number, since it uses as much as digits as its factorization.
990848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7755 (or 7743 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 38.
The square root of 990848 is about 995.4134819260. The cubic root of 990848 is about 99.6939979157.
The spelling of 990848 in words is "nine hundred ninety thousand, eight hundred forty-eight".
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