Base | Representation |
---|---|
bin | 111001010010… |
… | …0010010001001 |
3 | 2002111211120120 |
4 | 1302210102021 |
5 | 30142024113 |
6 | 2551413453 |
7 | 513163602 |
oct | 162442211 |
9 | 62454516 |
10 | 30033033 |
11 | 15a53298 |
12 | a084289 |
13 | 62b7034 |
14 | 3dbada9 |
15 | 2983a23 |
hex | 1ca4489 |
30033033 has 32 divisors (see below), whose sum is σ = 44416512. Its totient is φ = 17971200.
The previous prime is 30033023. The next prime is 30033037. The reversal of 30033033 is 33033003.
It is not a de Polignac number, because 30033033 - 212 = 30028937 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30033037) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110688 + ... + 110958.
It is an arithmetic number, because the mean of its divisors is an integer number (1388016).
Almost surely, 230033033 is an apocalyptic number.
It is an amenable number.
30033033 is a deficient number, since it is larger than the sum of its proper divisors (14383479).
30033033 is a wasteful number, since it uses less digits than its factorization.
30033033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385.
The product of its (nonzero) digits is 243, while the sum is 15.
The square root of 30033033 is about 5480.2402319606. The cubic root of 30033033 is about 310.8372545528.
Adding to 30033033 its reverse (33033003), we get a palindrome (63066036).
It can be divided in two parts, 300 and 33033, that added together give a palindrome (33333).
The spelling of 30033033 in words is "thirty million, thirty-three thousand, thirty-three".
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