Base | Representation |
---|---|
bin | 111111010011… |
… | …1000100010001 |
3 | 2022110020100020 |
4 | 1332213010101 |
5 | 31444041121 |
6 | 3143214053 |
7 | 552053214 |
oct | 176470421 |
9 | 68406306 |
10 | 33190161 |
11 | 1780a294 |
12 | b147329 |
13 | 6b51064 |
14 | 459d77b |
15 | 2da91c6 |
hex | 1fa7111 |
33190161 has 16 divisors (see below), whose sum is σ = 45205440. Its totient is φ = 21654720.
The previous prime is 33190159. The next prime is 33190163. The reversal of 33190161 is 16109133.
It is an interprime number because it is at equal distance from previous prime (33190159) and next prime (33190163).
It is not a de Polignac number, because 33190161 - 21 = 33190159 is a prime.
It is a super-2 number, since 2×331901612 = 2203173574411842, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (33190163) 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 15 ways as a sum of consecutive naturals, for example, 53310 + ... + 53928.
It is an arithmetic number, because the mean of its divisors is an integer number (2825340).
Almost surely, 233190161 is an apocalyptic number.
It is an amenable number.
33190161 is a deficient number, since it is larger than the sum of its proper divisors (12015279).
33190161 is a wasteful number, since it uses less digits than its factorization.
33190161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 976.
The product of its (nonzero) digits is 486, while the sum is 24.
The square root of 33190161 is about 5761.0902614002. The cubic root of 33190161 is about 321.3683623663.
Adding to 33190161 its reverse (16109133), we get a palindrome (49299294).
The spelling of 33190161 in words is "thirty-three million, one hundred ninety thousand, one hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •