Base | Representation |
---|---|
bin | 111100101100100010010 |
3 | 10202001020022 |
4 | 13211210102 |
5 | 1002121012 |
6 | 110343442 |
7 | 22622330 |
oct | 7454422 |
9 | 3661208 |
10 | 1988882 |
11 | 1139305 |
12 | 7bab82 |
13 | 54836c |
14 | 39ab50 |
15 | 294472 |
hex | 1e5912 |
1988882 has 16 divisors (see below), whose sum is σ = 3589440. Its totient is φ = 807408.
The previous prime is 1988851. The next prime is 1988887. The reversal of 1988882 is 2888891.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (1988887) 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, 3473 + ... + 4004.
It is an arithmetic number, because the mean of its divisors is an integer number (224340).
21988882 is an apocalyptic number.
1988882 is a deficient number, since it is larger than the sum of its proper divisors (1600558).
1988882 is a wasteful number, since it uses less digits than its factorization.
1988882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7505.
The product of its digits is 73728, while the sum is 44.
The square root of 1988882 is about 1410.2772777011. The cubic root of 1988882 is about 125.7582076703.
Subtracting 1988882 from its reverse (2888891), we obtain a palindrome (900009).
The spelling of 1988882 in words is "one million, nine hundred eighty-eight thousand, eight hundred eighty-two".
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