Base | Representation |
---|---|
bin | 111001101011… |
… | …1001000110010 |
3 | 2002220102022021 |
4 | 1303113020302 |
5 | 30220210310 |
6 | 3000102054 |
7 | 515022100 |
oct | 163271062 |
9 | 62812267 |
10 | 30241330 |
11 | 16085839 |
12 | a16492a |
13 | 635aaa2 |
14 | 4032c70 |
15 | 29c55da |
hex | 1cd7232 |
30241330 has 24 divisors (see below), whose sum is σ = 63322668. Its totient is φ = 10368288.
The previous prime is 30241307. The next prime is 30241333. The reversal of 30241330 is 3314203.
It can be written as a sum of positive squares in 2 ways, for example, as 27489049 + 2752281 = 5243^2 + 1659^2 .
It is not an unprimeable number, because it can be changed into a prime (30241333) 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, 30369 + ... + 31348.
Almost surely, 230241330 is an apocalyptic number.
30241330 is an abundant number, since it is smaller than the sum of its proper divisors (33081338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30241330 is a wasteful number, since it uses less digits than its factorization.
30241330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61738 (or 61731 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 30241330 is about 5499.2117616982. The cubic root of 30241330 is about 311.5542135158.
Adding to 30241330 its reverse (3314203), we get a palindrome (33555533).
The spelling of 30241330 in words is "thirty million, two hundred forty-one thousand, three hundred thirty".
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