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204310316 = 22747155251
BaseRepresentation
bin11000010110110…
…00011100101100
3112020110001001202
430023120130230
5404300412231
632135025032
75030415620
oct1413303454
9466401052
10204310316
11a5367401
125850b178
13334361a2
141d1c5180
1512e0b5cb
hexc2d872c

204310316 has 24 divisors (see below), whose sum is σ = 417317376. Its totient is φ = 85698000.

The previous prime is 204310303. The next prime is 204310319. The reversal of 204310316 is 613013402.

It is not an unprimeable number, because it can be changed into a prime (204310319) 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, 76310 + ... + 78941.

It is an arithmetic number, because the mean of its divisors is an integer number (17388224).

Almost surely, 2204310316 is an apocalyptic number.

It is an amenable number.

204310316 is an abundant number, since it is smaller than the sum of its proper divisors (213007060).

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

204310316 is a wasteful number, since it uses less digits than its factorization.

204310316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155309 (or 155307 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 204310316 is about 14293.7159619184. The cubic root of 204310316 is about 588.9748702482.

Adding to 204310316 its reverse (613013402), we get a palindrome (817323718).

The spelling of 204310316 in words is "two hundred four million, three hundred ten thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 155251 310502 621004 1086757 2173514 4347028 7296797 14593594 29187188 51077579 102155158 204310316