Base | Representation |
---|---|
bin | 111111010011… |
… | …1000010101101 |
3 | 2022110020012112 |
4 | 1332213002231 |
5 | 31444040221 |
6 | 3143213405 |
7 | 552053012 |
oct | 176470255 |
9 | 68406175 |
10 | 33190061 |
11 | 1780a203 |
12 | b147265 |
13 | 6b50cb8 |
14 | 459d709 |
15 | 2da915b |
hex | 1fa70ad |
33190061 has 2 divisors, whose sum is σ = 33190062. Its totient is φ = 33190060.
The previous prime is 33190043. The next prime is 33190067. The reversal of 33190061 is 16009133.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29214025 + 3976036 = 5405^2 + 1994^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-33190061 is a prime.
It is a super-2 number, since 2×331900612 = 2203160298367442, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (33190067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16595030 + 16595031.
It is an arithmetic number, because the mean of its divisors is an integer number (16595031).
Almost surely, 233190061 is an apocalyptic number.
It is an amenable number.
33190061 is a deficient number, since it is larger than the sum of its proper divisors (1).
33190061 is an equidigital number, since it uses as much as digits as its factorization.
33190061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 33190061 is about 5761.0815824808. The cubic root of 33190061 is about 321.3680396113.
Adding to 33190061 its reverse (16009133), we get a palindrome (49199194).
The spelling of 33190061 in words is "thirty-three million, one hundred ninety thousand, sixty-one".
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