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30133321 = 163223829
BaseRepresentation
bin111001011110…
…0110001001001
32002200221010221
41302330301021
530203231241
62553510041
7514062151
oct162746111
962627127
1030133321
1116011679
12a112321
13632088a
144005761
1529a35d1
hex1cbcc49

30133321 has 8 divisors (see below), whose sum is σ = 30490880. Its totient is φ = 29778192.

The previous prime is 30133307. The next prime is 30133357. The reversal of 30133321 is 12333103.

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 30133321 - 27 = 30133193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30133295 and 30133304.

It is not an unprimeable number, because it can be changed into a prime (30133361) 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 7 ways as a sum of consecutive naturals, for example, 35935 + ... + 36763.

It is an arithmetic number, because the mean of its divisors is an integer number (3811360).

Almost surely, 230133321 is an apocalyptic number.

It is an amenable number.

30133321 is a deficient number, since it is larger than the sum of its proper divisors (357559).

30133321 is a wasteful number, since it uses less digits than its factorization.

30133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 30133321 is about 5489.3825700164. The cubic root of 30133321 is about 311.1828585895.

Adding to 30133321 its reverse (12333103), we get a palindrome (42466424).

The spelling of 30133321 in words is "thirty million, one hundred thirty-three thousand, three hundred twenty-one".

Divisors: 1 163 223 829 36349 135127 184867 30133321