Base | Representation |
---|---|
bin | 111001100111… |
… | …1110100000010 |
3 | 2002211220011011 |
4 | 1303033310002 |
5 | 30213230310 |
6 | 2555311134 |
7 | 514535452 |
oct | 163176402 |
9 | 62756134 |
10 | 30211330 |
11 | 16065246 |
12 | a14b4aa |
13 | 634a236 |
14 | 4025d62 |
15 | 29bb78a |
hex | 1ccfd02 |
30211330 has 32 divisors (see below), whose sum is σ = 59227200. Its totient is φ = 11051712.
The previous prime is 30211309. The next prime is 30211331. The reversal of 30211330 is 3311203.
It is a self number, because there is not a number n which added to its sum of digits gives 30211330.
It is not an unprimeable number, because it can be changed into a prime (30211331) 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 15 ways as a sum of consecutive naturals, for example, 2769 + ... + 8251.
It is an arithmetic number, because the mean of its divisors is an integer number (1850850).
Almost surely, 230211330 is an apocalyptic number.
30211330 is a deficient number, since it is larger than the sum of its proper divisors (29015870).
30211330 is a wasteful number, since it uses less digits than its factorization.
30211330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5538.
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 30211330 is about 5496.4834212431. The cubic root of 30211330 is about 311.4511567742.
Adding to 30211330 its reverse (3311203), we get a palindrome (33522533).
The spelling of 30211330 in words is "thirty million, two hundred eleven thousand, three hundred thirty".
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