Base | Representation |
---|---|
bin | 111111010101… |
… | …1011011000001 |
3 | 2022111010210222 |
4 | 1332223123001 |
5 | 32000124001 |
6 | 3143432425 |
7 | 552156221 |
oct | 176533301 |
9 | 68433728 |
10 | 33208001 |
11 | 17821732 |
12 | b155715 |
13 | 6b59208 |
14 | 45a6081 |
15 | 2dae61b |
hex | 1fab6c1 |
33208001 has 2 divisors, whose sum is σ = 33208002. Its totient is φ = 33208000.
The previous prime is 33207989. The next prime is 33208003. The reversal of 33208001 is 10080233.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17007376 + 16200625 = 4124^2 + 4025^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-33208001 is a prime.
It is a super-2 number, since 2×332080012 = 2205542660832002, which contains 22 as substring.
Together with 33208003, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (33208003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16604000 + 16604001.
It is an arithmetic number, because the mean of its divisors is an integer number (16604001).
Almost surely, 233208001 is an apocalyptic number.
It is an amenable number.
33208001 is a deficient number, since it is larger than the sum of its proper divisors (1).
33208001 is an equidigital number, since it uses as much as digits as its factorization.
33208001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 33208001 is about 5762.6383714406. The cubic root of 33208001 is about 321.4259314821.
Adding to 33208001 its reverse (10080233), we get a palindrome (43288234).
The spelling of 33208001 in words is "thirty-three million, two hundred eight thousand, one".
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