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204647492 = 22731435483
BaseRepresentation
bin11000011001010…
…10110001000100
3112021002011120202
430030222301010
5404342204432
632150150032
75033321630
oct1414526104
9467064522
10204647492
11a5577765
1258652318
13335237ba
141d271dc0
1512e76462
hexc32ac44

204647492 has 48 divisors (see below), whose sum is σ = 432402432. Its totient is φ = 82887840.

The previous prime is 204647483. The next prime is 204647533. The reversal of 204647492 is 294746402.

204647492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34583 + ... + 40065.

It is an arithmetic number, because the mean of its divisors is an integer number (9008384).

Almost surely, 2204647492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204647492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216201216).

204647492 is an abundant number, since it is smaller than the sum of its proper divisors (227754940).

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

204647492 is a wasteful number, since it uses less digits than its factorization.

204647492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 204647492 is about 14305.5056534189. The cubic root of 204647492 is about 589.2986898356.

The spelling of 204647492 in words is "two hundred four million, six hundred forty-seven thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 31 43 62 86 124 172 217 301 434 602 868 1204 1333 2666 5332 5483 9331 10966 18662 21932 37324 38381 76762 153524 169973 235769 339946 471538 679892 943076 1189811 1650383 2379622 3300766 4759244 6601532 7308839 14617678 29235356 51161873 102323746 204647492