Search a number
-
+
30330724 = 227582681
BaseRepresentation
bin111001110110…
…0111101100100
32010001221221011
41303230331210
530231040344
63002032004
7515543524
oct163547544
963057834
1030330724
1116136a16
12a1a8604
13638c698
144057684
1529e1d34
hex1cecf64

30330724 has 6 divisors (see below), whose sum is σ = 53078774. Its totient is φ = 15165360.

The previous prime is 30330709. The next prime is 30330733. The reversal of 30330724 is 42703303.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 1170724 = 5400^2 + 1082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30330695 and 30330704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3791337 + ... + 3791344.

Almost surely, 230330724 is an apocalyptic number.

It is an amenable number.

30330724 is a deficient number, since it is larger than the sum of its proper divisors (22748050).

30330724 is a wasteful number, since it uses less digits than its factorization.

30330724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582685 (or 7582683 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 30330724 is about 5507.3336561352. Note that the first 3 decimals coincide. The cubic root of 30330724 is about 311.8608984351.

The spelling of 30330724 in words is "thirty million, three hundred thirty thousand, seven hundred twenty-four".

Divisors: 1 2 4 7582681 15165362 30330724