Search a number
-
+
320124130 = 25193316561
BaseRepresentation
bin10011000101001…
…011010011100010
3211022100222202021
4103011023103202
51123422433010
651433212054
710635003334
oct2305132342
9738328667
10320124130
11154779aa7
128b26102a
1351425881
1430731454
151d1868da
hex1314b4e2

320124130 has 16 divisors (see below), whose sum is σ = 576556344. Its totient is φ = 127975680.

The previous prime is 320124113. The next prime is 320124139. The reversal of 320124130 is 31421023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 200024449 + 120099681 = 14143^2 + 10959^2 .

It is not an unprimeable number, because it can be changed into a prime (320124139) 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, 11050 + ... + 27610.

Almost surely, 2320124130 is an apocalyptic number.

320124130 is a deficient number, since it is larger than the sum of its proper divisors (256432214).

320124130 is a wasteful number, since it uses less digits than its factorization.

320124130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320124130 is about 17892.0130225752. The cubic root of 320124130 is about 684.0788086184.

Adding to 320124130 its reverse (31421023), we get a palindrome (351545153).

The spelling of 320124130 in words is "three hundred twenty million, one hundred twenty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 1933 3866 9665 16561 19330 33122 82805 165610 32012413 64024826 160062065 320124130