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204703089 = 31311673119
BaseRepresentation
bin11000011001110…
…00010101110001
3112021011222211220
430030320111301
5404400444324
632151255253
75033643003
oct1414702561
9467158756
10204703089
11a5605508
125867a529
1333542bb6
141d288373
1512e87b79
hexc338571

204703089 has 16 divisors (see below), whose sum is σ = 276756480. Its totient is φ = 134572880.

The previous prime is 204703087. The next prime is 204703097. The reversal of 204703089 is 980307402.

It is a cyclic number.

It is not a de Polignac number, because 204703089 - 21 = 204703087 is a prime.

It is a super-2 number, since 2×2047030892 = 83806709292283842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204703087) 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, 64072 + ... + 67190.

It is an arithmetic number, because the mean of its divisors is an integer number (17297280).

Almost surely, 2204703089 is an apocalyptic number.

It is an amenable number.

204703089 is a deficient number, since it is larger than the sum of its proper divisors (72053391).

204703089 is a wasteful number, since it uses less digits than its factorization.

204703089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 204703089 is about 14307.4487243533. The cubic root of 204703089 is about 589.3520503279.

The spelling of 204703089 in words is "two hundred four million, seven hundred three thousand, eighty-nine".

Divisors: 1 3 131 167 393 501 3119 9357 21877 65631 408589 520873 1225767 1562619 68234363 204703089