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204313812 = 223431672371
BaseRepresentation
bin11000010110110…
…01010011010100
3112020110012212020
430023121103110
5404301020222
632135053140
75030432043
oct1413312324
9466405766
10204313812
11a5369a9a
12585111b0
1333437961
141d1c655a
1512e0c65c
hexc2d94d4

204313812 has 48 divisors (see below), whose sum is σ = 490947072. Its totient is φ = 66094560.

The previous prime is 204313793. The next prime is 204313819. The reversal of 204313812 is 218313402.

204313812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204313819) 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 15 ways as a sum of consecutive naturals, for example, 84987 + ... + 87357.

It is an arithmetic number, because the mean of its divisors is an integer number (10228064).

Almost surely, 2204313812 is an apocalyptic number.

It is an amenable number.

204313812 is an abundant number, since it is smaller than the sum of its proper divisors (286633260).

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

204313812 is a wasteful number, since it uses less digits than its factorization.

204313812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 204313812 is about 14293.8382528976. The cubic root of 204313812 is about 588.9782295898.

The spelling of 204313812 in words is "two hundred four million, three hundred thirteen thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 43 86 129 167 172 258 334 501 516 668 1002 2004 2371 4742 7113 7181 9484 14226 14362 21543 28452 28724 43086 86172 101953 203906 305859 395957 407812 611718 791914 1187871 1223436 1583828 2375742 4751484 17026151 34052302 51078453 68104604 102156906 204313812