Base | Representation |
---|---|
bin | 111100100110000… |
… | …0110100000110100 |
3 | 12020200212001101021 |
4 | 1321030012200310 |
5 | 13131000344130 |
6 | 533430510524 |
7 | 101246022046 |
oct | 17114064064 |
9 | 5220761337 |
10 | 2033215540 |
11 | 953773a24 |
12 | 488b05444 |
13 | 265306b25 |
14 | 154063a96 |
15 | bd77437a |
hex | 79306834 |
2033215540 has 24 divisors (see below), whose sum is σ = 4281215400. Its totient is φ = 811102848.
The previous prime is 2033215529. The next prime is 2033215553. The reversal of 2033215540 is 455123302.
It can be written as a sum of positive squares in 4 ways, for example, as 669981456 + 1363234084 = 25884^2 + 36922^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128815 + ... + 143734.
It is an arithmetic number, because the mean of its divisors is an integer number (178383975).
Almost surely, 22033215540 is an apocalyptic number.
2033215540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2033215540 is an abundant number, since it is smaller than the sum of its proper divisors (2247999860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2033215540 is a wasteful number, since it uses less digits than its factorization.
2033215540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 272931 (or 272929 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 2033215540 is about 45091.1913792483. The cubic root of 2033215540 is about 1266.8576164884.
Adding to 2033215540 its reverse (455123302), we get a palindrome (2488338842).
The spelling of 2033215540 in words is "two billion, thirty-three million, two hundred fifteen thousand, five hundred forty".
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