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320331214 = 2727184431
BaseRepresentation
bin10011000101111…
…101110111001110
3211022202111211001
4103011331313032
51124001044324
651441450514
710636525150
oct2305756716
9738674731
10320331214
11154900645
128b340a3a
1351498bc8
1430786ad0
151d1c7e44
hex1317ddce

320331214 has 16 divisors (see below), whose sum is σ = 551172096. Its totient is φ = 136776600.

The previous prime is 320331181. The next prime is 320331229. The reversal of 320331214 is 412133023.

It is a super-2 number, since 2×3203312142 = 205224173325427592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320331191 and 320331200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38422 + ... + 46009.

It is an arithmetic number, because the mean of its divisors is an integer number (34448256).

Almost surely, 2320331214 is an apocalyptic number.

320331214 is a deficient number, since it is larger than the sum of its proper divisors (230840882).

320331214 is a wasteful number, since it uses less digits than its factorization.

320331214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84711.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 320331214 is about 17897.7991384416. The cubic root of 320331214 is about 684.2262839541.

Adding to 320331214 its reverse (412133023), we get a palindrome (732464237).

The spelling of 320331214 in words is "three hundred twenty million, three hundred thirty-one thousand, two hundred fourteen".

Divisors: 1 2 7 14 271 542 1897 3794 84431 168862 591017 1182034 22880801 45761602 160165607 320331214