Base | Representation |
---|---|
bin | 111011100001001… |
… | …0001010110000001 |
3 | 12011011212101021022 |
4 | 1313002101112001 |
5 | 13042223142113 |
6 | 530100235225 |
7 | 100326635300 |
oct | 16702212601 |
9 | 5134771238 |
10 | 1997084033 |
11 | 93533587a |
12 | 47899bb15 |
13 | 25a996039 |
14 | 14d33a437 |
15 | ba4d8908 |
hex | 77091581 |
1997084033 has 12 divisors (see below), whose sum is σ = 2326926960. Its totient is φ = 1708994952.
The previous prime is 1997083981. The next prime is 1997084041. The reversal of 1997084033 is 3304807991.
It is a happy number.
It is not a de Polignac number, because 1997084033 - 26 = 1997083969 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1997084233) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 2591 + ... + 63252.
It is an arithmetic number, because the mean of its divisors is an integer number (193910580).
Almost surely, 21997084033 is an apocalyptic number.
It is an amenable number.
1997084033 is a deficient number, since it is larger than the sum of its proper divisors (329842927).
1997084033 is an equidigital number, since it uses as much as digits as its factorization.
1997084033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66476 (or 66469 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 44.
The square root of 1997084033 is about 44688.7461560514. The cubic root of 1997084033 is about 1259.3084373713.
The spelling of 1997084033 in words is "one billion, nine hundred ninety-seven million, eighty-four thousand, thirty-three".
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