Search a number
-
+
320235030 = 23253558167
BaseRepresentation
bin10011000101100…
…110011000010110
3211022120121212200
4103011212120112
51123440010110
651435425330
710635644553
oct2305463026
9738517780
10320235030
11154845355
128b2b5246
13514641ab
143075da2a
151d1a96c0
hex13166616

320235030 has 24 divisors (see below), whose sum is σ = 832611312. Its totient is φ = 85395984.

The previous prime is 320234989. The next prime is 320235031. The reversal of 320235030 is 30532023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320234994 and 320235012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320235031) 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 11 ways as a sum of consecutive naturals, for example, 1778994 + ... + 1779173.

It is an arithmetic number, because the mean of its divisors is an integer number (34692138).

Almost surely, 2320235030 is an apocalyptic number.

320235030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320235030 is an abundant number, since it is smaller than the sum of its proper divisors (512376282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320235030 is a wasteful number, since it uses less digits than its factorization.

320235030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558180 (or 3558177 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 320235030 is about 17895.1119024163. Note that the first 3 decimals coincide. The cubic root of 320235030 is about 684.1577942097.

Adding to 320235030 its reverse (30532023), we get a palindrome (350767053).

The spelling of 320235030 in words is "three hundred twenty million, two hundred thirty-five thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3558167 7116334 10674501 17790835 21349002 32023503 35581670 53372505 64047006 106745010 160117515 320235030