Base | Representation |
---|---|
bin | 111001101111… |
… | …0001001010001 |
3 | 2002221212200100 |
4 | 1303132021101 |
5 | 30222120113 |
6 | 3000443013 |
7 | 515201553 |
oct | 163361121 |
9 | 62855610 |
10 | 30270033 |
11 | 160a5362 |
12 | a179469 |
13 | 636ab81 |
14 | 403d4d3 |
15 | 29cdd73 |
hex | 1cde251 |
30270033 has 12 divisors (see below), whose sum is σ = 44905588. Its totient is φ = 19634400.
The previous prime is 30270029. The next prime is 30270041. The reversal of 30270033 is 33007203.
It can be written as a sum of positive squares in 2 ways, for example, as 15776784 + 14493249 = 3972^2 + 3807^2 .
It is not a de Polignac number, because 30270033 - 22 = 30270029 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30269988 and 30270015.
It is not an unprimeable number, because it can be changed into a prime (30270133) 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 11 ways as a sum of consecutive naturals, for example, 45118 + ... + 45783.
Almost surely, 230270033 is an apocalyptic number.
It is an amenable number.
30270033 is a deficient number, since it is larger than the sum of its proper divisors (14635555).
30270033 is a wasteful number, since it uses less digits than its factorization.
30270033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90944 (or 90941 counting only the distinct ones).
The product of its (nonzero) digits is 378, while the sum is 18.
The square root of 30270033 is about 5501.8208803995. The cubic root of 30270033 is about 311.6527509904.
Adding to 30270033 its reverse (33007203), we get a palindrome (63277236).
The spelling of 30270033 in words is "thirty million, two hundred seventy thousand, thirty-three".
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