Base | Representation |
---|---|
bin | 111001110101… |
… | …1000000000011 |
3 | 2010001112220122 |
4 | 1303223000003 |
5 | 30230311231 |
6 | 3001530455 |
7 | 515511230 |
oct | 163530003 |
9 | 63045818 |
10 | 30322691 |
11 | 16130983 |
12 | a1a3a2b |
13 | 6388b29 |
14 | 4054787 |
15 | 29de77b |
hex | 1ceb003 |
30322691 has 8 divisors (see below), whose sum is σ = 34863360. Its totient is φ = 25834248.
The previous prime is 30322627. The next prime is 30322703. The reversal of 30322691 is 19622303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30322691 - 26 = 30322627 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30322691.
It is not an unprimeable number, because it can be changed into a prime (30322091) 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, 11801 + ... + 14138.
It is an arithmetic number, because the mean of its divisors is an integer number (4357920).
Almost surely, 230322691 is an apocalyptic number.
30322691 is a deficient number, since it is larger than the sum of its proper divisors (4540669).
30322691 is a wasteful number, since it uses less digits than its factorization.
30322691 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26113.
The product of its (nonzero) digits is 1944, while the sum is 26.
The square root of 30322691 is about 5506.6043075565. The cubic root of 30322691 is about 311.8333642007.
Adding to 30322691 its reverse (19622303), we get a palindrome (49944994).
It can be divided in two parts, 30322 and 691, that added together give a palindrome (31013).
The spelling of 30322691 in words is "thirty million, three hundred twenty-two thousand, six hundred ninety-one".
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