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204484825 = 528179393
BaseRepresentation
bin11000011000000…
…11000011011001
3112020202220110001
430030003003121
5404322003300
632142453001
75032043446
oct1414030331
9466686401
10204484825
11a5476526
1258594161
133349774c
141d22c9cd
1512e4316a
hexc3030d9

204484825 has 6 divisors (see below), whose sum is σ = 253561214. Its totient is φ = 163587840.

The previous prime is 204484751. The next prime is 204484853. The reversal of 204484825 is 528484402.

It can be written as a sum of positive squares in 3 ways, for example, as 55547209 + 148937616 = 7453^2 + 12204^2 .

It is not a de Polignac number, because 204484825 - 211 = 204482777 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 4089672 + ... + 4089721.

Almost surely, 2204484825 is an apocalyptic number.

204484825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204484825 is a deficient number, since it is larger than the sum of its proper divisors (49076389).

204484825 is an equidigital number, since it uses as much as digits as its factorization.

204484825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179403 (or 8179398 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 37.

The square root of 204484825 is about 14299.8190547993. The cubic root of 204484825 is about 589.1425109371.

The spelling of 204484825 in words is "two hundred four million, four hundred eighty-four thousand, eight hundred twenty-five".

Divisors: 1 5 25 8179393 40896965 204484825