Base | Representation |
---|---|
bin | 1011010111111111111100 |
3 | 12121111101011 |
4 | 23113333330 |
5 | 1230410014 |
6 | 143525004 |
7 | 34226353 |
oct | 13277774 |
9 | 5544334 |
10 | 2981884 |
11 | 1757374 |
12 | bb9764 |
13 | 805339 |
14 | 57899a |
15 | 3dd7c4 |
hex | 2d7ffc |
2981884 has 6 divisors (see below), whose sum is σ = 5218304. Its totient is φ = 1490940.
The previous prime is 2981873. The next prime is 2981887. The reversal of 2981884 is 4881892.
It is a plaindrome in base 14.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2981887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372732 + ... + 372739.
22981884 is an apocalyptic number.
It is an amenable number.
2981884 is a deficient number, since it is larger than the sum of its proper divisors (2236420).
2981884 is a wasteful number, since it uses less digits than its factorization.
2981884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 745475 (or 745473 counting only the distinct ones).
The product of its digits is 36864, while the sum is 40.
The square root of 2981884 is about 1726.8132498913. The cubic root of 2981884 is about 143.9340618895.
The spelling of 2981884 in words is "two million, nine hundred eighty-one thousand, eight hundred eighty-four".
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