Base | Representation |
---|---|
bin | 111001101110… |
… | …0000010000110 |
3 | 2002221102210221 |
4 | 1303130002012 |
5 | 30221331012 |
6 | 3000334554 |
7 | 515134414 |
oct | 163340206 |
9 | 62842727 |
10 | 30261382 |
11 | 16099908 |
12 | a17445a |
13 | 6366c58 |
14 | 403a2b4 |
15 | 29cb507 |
hex | 1cdc086 |
30261382 has 16 divisors (see below), whose sum is σ = 46053360. Its totient is φ = 14912128.
The previous prime is 30261359. The next prime is 30261389. The reversal of 30261382 is 28316203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30261389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48738 + ... + 49354.
It is an arithmetic number, because the mean of its divisors is an integer number (2878335).
Almost surely, 230261382 is an apocalyptic number.
30261382 is a deficient number, since it is larger than the sum of its proper divisors (15791978).
30261382 is a wasteful number, since it uses less digits than its factorization.
30261382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 935.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 30261382 is about 5501.0346299583. The cubic root of 30261382 is about 311.6230586449.
Adding to 30261382 its reverse (28316203), we get a palindrome (58577585).
The spelling of 30261382 in words is "thirty million, two hundred sixty-one thousand, three hundred eighty-two".
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