Search a number
-
+
30321033 = 319950789
BaseRepresentation
bin111001110101…
…0100110001001
32010001110122020
41303222212021
530230233113
63001515053
7515503341
oct163524611
963043566
1030321033
111612a706
12a1a2a89
136388152
144053d21
1529de023
hex1cea989

30321033 has 8 divisors (see below), whose sum is σ = 40632000. Its totient is φ = 20112048.

The previous prime is 30321029. The next prime is 30321041. The reversal of 30321033 is 33012303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30321033 - 22 = 30321029 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30321023) 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, 24798 + ... + 25991.

It is an arithmetic number, because the mean of its divisors is an integer number (5079000).

Almost surely, 230321033 is an apocalyptic number.

It is an amenable number.

30321033 is a deficient number, since it is larger than the sum of its proper divisors (10310967).

30321033 is a wasteful number, since it uses less digits than its factorization.

30321033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50991.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 30321033 is about 5506.4537589995. The cubic root of 30321033 is about 311.8276805677.

Adding to 30321033 its reverse (33012303), we get a palindrome (63333336).

The spelling of 30321033 in words is "thirty million, three hundred twenty-one thousand, thirty-three".

Divisors: 1 3 199 597 50789 152367 10107011 30321033