Base | Representation |
---|---|
bin | 111111110000… |
… | …1101011100001 |
3 | 2022220102200002 |
4 | 1333201223201 |
5 | 32024231431 |
6 | 3152305345 |
7 | 554103155 |
oct | 177415341 |
9 | 68812602 |
10 | 33430241 |
11 | 179636a9 |
12 | b242255 |
13 | 6c06410 |
14 | 4623065 |
15 | 2e053cb |
hex | 1fe1ae1 |
33430241 has 4 divisors (see below), whose sum is σ = 36001812. Its totient is φ = 30858672.
The previous prime is 33430223. The next prime is 33430249. The reversal of 33430241 is 14203433.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14203433 = 601 ⋅23633.
It can be written as a sum of positive squares in 2 ways, for example, as 12453841 + 20976400 = 3529^2 + 4580^2 .
It is a de Polignac number, because none of the positive numbers 2k-33430241 is a prime.
It is a super-2 number, since 2×334302412 = 2235162026636162, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (33430249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285766 + ... + 1285791.
It is an arithmetic number, because the mean of its divisors is an integer number (9000453).
Almost surely, 233430241 is an apocalyptic number.
It is an amenable number.
33430241 is a deficient number, since it is larger than the sum of its proper divisors (2571571).
33430241 is a wasteful number, since it uses less digits than its factorization.
33430241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2571570.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 33430241 is about 5781.8890511666. The cubic root of 33430241 is about 322.1413708671.
Adding to 33430241 its reverse (14203433), we get a palindrome (47633674).
The spelling of 33430241 in words is "thirty-three million, four hundred thirty thousand, two hundred forty-one".
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