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204482957 = 7532412287
BaseRepresentation
bin11000011000000…
…10100110001101
3112020202210212212
430030002212031
5404321423312
632142440205
75032035140
oct1414024615
9466683785
10204482957
11a5475088
1258593065
1333496943
141d22c057
1512e42822
hexc30298d

204482957 has 16 divisors (see below), whose sum is σ = 239196672. Its totient is φ = 171175680.

The previous prime is 204482933. The next prime is 204482963. The reversal of 204482957 is 759284402.

It is a cyclic number.

It is not a de Polignac number, because 204482957 - 26 = 204482893 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204482357) by changing a digit.

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, 88268 + ... + 90554.

It is an arithmetic number, because the mean of its divisors is an integer number (14949792).

Almost surely, 2204482957 is an apocalyptic number.

It is an amenable number.

204482957 is a deficient number, since it is larger than the sum of its proper divisors (34713715).

204482957 is a wasteful number, since it uses less digits than its factorization.

204482957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 204482957 is about 14299.7537391383. The cubic root of 204482957 is about 589.1407169628.

The spelling of 204482957 in words is "two hundred four million, four hundred eighty-two thousand, nine hundred fifty-seven".

Divisors: 1 7 53 241 371 1687 2287 12773 16009 89411 121211 551167 848477 3858169 29211851 204482957