Base | Representation |
---|---|
bin | 111111101111… |
… | …1001100001001 |
3 | 2022212220200022 |
4 | 1333133030021 |
5 | 32023420131 |
6 | 3152150225 |
7 | 554031344 |
oct | 177371411 |
9 | 68786608 |
10 | 33420041 |
11 | 17956a76 |
12 | b238375 |
13 | 6c01895 |
14 | 461d45b |
15 | 2e0237b |
hex | 1fdf309 |
33420041 has 2 divisors, whose sum is σ = 33420042. Its totient is φ = 33420040.
The previous prime is 33420017. The next prime is 33420047. The reversal of 33420041 is 14002433.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 33304441 + 115600 = 5771^2 + 340^2 .
It is a cyclic number.
It is not a de Polignac number, because 33420041 - 218 = 33157897 is a prime.
It is a super-2 number, since 2×334200412 = 2233798280883362, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (33420047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16710020 + 16710021.
It is an arithmetic number, because the mean of its divisors is an integer number (16710021).
Almost surely, 233420041 is an apocalyptic number.
It is an amenable number.
33420041 is a deficient number, since it is larger than the sum of its proper divisors (1).
33420041 is an equidigital number, since it uses as much as digits as its factorization.
33420041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 33420041 is about 5781.0069192140. The cubic root of 33420041 is about 322.1086043647.
Adding to 33420041 its reverse (14002433), we get a palindrome (47422474).
The spelling of 33420041 in words is "thirty-three million, four hundred twenty thousand, forty-one".
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