Base | Representation |
---|---|
bin | 1011011001100101100100 |
3 | 12121211022001 |
4 | 23121211210 |
5 | 1231112023 |
6 | 144015044 |
7 | 34254334 |
oct | 13314544 |
9 | 5554261 |
10 | 2988388 |
11 | 1761247 |
12 | 1001484 |
13 | 8082a0 |
14 | 57b0c4 |
15 | 3e06ad |
hex | 2d9964 |
2988388 has 24 divisors (see below), whose sum is σ = 5697720. Its totient is φ = 1363200.
The previous prime is 2988373. The next prime is 2988389. The reversal of 2988388 is 8838892.
2988388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 272484 + 2715904 = 522^2 + 1648^2 .
It is not an unprimeable number, because it can be changed into a prime (2988389) 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 7 ways as a sum of consecutive naturals, for example, 4968 + ... + 5536.
It is an arithmetic number, because the mean of its divisors is an integer number (237405).
22988388 is an apocalyptic number.
It is an amenable number.
2988388 is a deficient number, since it is larger than the sum of its proper divisors (2709332).
2988388 is a wasteful number, since it uses less digits than its factorization.
2988388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 687 (or 685 counting only the distinct ones).
The product of its digits is 221184, while the sum is 46.
The square root of 2988388 is about 1728.6954619018. The cubic root of 2988388 is about 144.0386341811.
The spelling of 2988388 in words is "two million, nine hundred eighty-eight thousand, three hundred eighty-eight".
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