Base | Representation |
---|---|
bin | 111001110110… |
… | …0010111001101 |
3 | 2010001211120020 |
4 | 1303230113031 |
5 | 30231001034 |
6 | 3002012353 |
7 | 515533416 |
oct | 163542715 |
9 | 63054506 |
10 | 30328269 |
11 | 16135094 |
12 | a1a70b9 |
13 | 638b52a |
14 | 405680d |
15 | 29e1249 |
hex | 1cec5cd |
30328269 has 16 divisors (see below), whose sum is σ = 41131200. Its totient is φ = 19875456.
The previous prime is 30328267. The next prime is 30328273. The reversal of 30328269 is 96282303.
It is not a de Polignac number, because 30328269 - 21 = 30328267 is a prime.
It is a super-2 number, since 2×303282692 = 1839607801072722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30328267) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53017 + ... + 53585.
It is an arithmetic number, because the mean of its divisors is an integer number (2570700).
Almost surely, 230328269 is an apocalyptic number.
It is an amenable number.
30328269 is a deficient number, since it is larger than the sum of its proper divisors (10802931).
30328269 is a wasteful number, since it uses less digits than its factorization.
30328269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 844.
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 30328269 is about 5507.1107669993. The cubic root of 30328269 is about 311.8524840941.
The spelling of 30328269 in words is "thirty million, three hundred twenty-eight thousand, two hundred sixty-nine".
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