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320230332 = 223219468173
BaseRepresentation
bin10011000101100…
…101001110111100
3211022120101102200
4103011211032330
51123434332312
651435351500
710635625062
oct2305451674
9738511380
10320230332
11154841874
128b2b2590
1351462006
143075c032
151d1a80dc
hex131653bc

320230332 has 36 divisors (see below), whose sum is σ = 852076680. Its totient is φ = 101125152.

The previous prime is 320230327. The next prime is 320230333. The reversal of 320230332 is 233032023.

320230332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320230333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233403 + ... + 234770.

Almost surely, 2320230332 is an apocalyptic number.

It is an amenable number.

320230332 is an abundant number, since it is smaller than the sum of its proper divisors (531846348).

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

320230332 is a wasteful number, since it uses less digits than its factorization.

320230332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468202 (or 468197 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 320230332 is about 17894.9806370390. The cubic root of 320230332 is about 684.1544485534.

Adding to 320230332 its reverse (233032023), we get a palindrome (553262355).

The spelling of 320230332 in words is "three hundred twenty million, two hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 468173 936346 1404519 1872692 2809038 4213557 5618076 8427114 8895287 16854228 17790574 26685861 35581148 53371722 80057583 106743444 160115166 320230332