Search a number
-
+
30330645 = 352022043
BaseRepresentation
bin111001110110…
…0111100010101
32010001221211020
41303230330111
530231040040
63002031353
7515543352
oct163547425
963057736
1030330645
1116136954
12a1a8559
13638c637
144057629
1529e1cd0
hex1cecf15

30330645 has 8 divisors (see below), whose sum is σ = 48529056. Its totient is φ = 16176336.

The previous prime is 30330571. The next prime is 30330647. The reversal of 30330645 is 54603303.

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

It is not a de Polignac number, because 30330645 - 28 = 30330389 is a prime.

It is a super-2 number, since 2×303306452 = 1839896052232050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30330647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011007 + ... + 1011036.

It is an arithmetic number, because the mean of its divisors is an integer number (6066132).

Almost surely, 230330645 is an apocalyptic number.

It is an amenable number.

30330645 is a deficient number, since it is larger than the sum of its proper divisors (18198411).

30330645 is a wasteful number, since it uses less digits than its factorization.

30330645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022051.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 30330645 is about 5507.3264838758. The cubic root of 30330645 is about 311.8606276752.

Adding to 30330645 its reverse (54603303), we get a palindrome (84933948).

The spelling of 30330645 in words is "thirty million, three hundred thirty thousand, six hundred forty-five".

Divisors: 1 3 5 15 2022043 6066129 10110215 30330645