Base | Representation |
---|---|
bin | 111001010000… |
… | …0011000001001 |
3 | 2002111000121222 |
4 | 1302200120021 |
5 | 30141021113 |
6 | 2551211425 |
7 | 513066134 |
oct | 162403011 |
9 | 62430558 |
10 | 30017033 |
11 | 15a42272 |
12 | a076b75 |
13 | 62ac977 |
14 | 3db521b |
15 | 297de08 |
hex | 1ca0609 |
30017033 has 4 divisors (see below), whose sum is σ = 30378768. Its totient is φ = 29655300.
The previous prime is 30017023. The next prime is 30017069. The reversal of 30017033 is 33071003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33071003 = 7 ⋅4724429.
It is a cyclic number.
It is not a de Polignac number, because 30017033 - 26 = 30016969 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30017003) 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, 180743 + ... + 180908.
It is an arithmetic number, because the mean of its divisors is an integer number (7594692).
Almost surely, 230017033 is an apocalyptic number.
It is an amenable number.
30017033 is a deficient number, since it is larger than the sum of its proper divisors (361735).
30017033 is an equidigital number, since it uses as much as digits as its factorization.
30017033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361734.
The product of its (nonzero) digits is 189, while the sum is 17.
The square root of 30017033 is about 5478.7802474638. The cubic root of 30017033 is about 310.7820455709.
Adding to 30017033 its reverse (33071003), we get a palindrome (63088036).
The spelling of 30017033 in words is "thirty million, seventeen thousand, thirty-three".
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