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205327930 = 2520532793
BaseRepresentation
bin11000011110100…
…00111000111010
3112022100201222011
430033100320322
5410030443210
632212520134
75042154463
oct1417207072
9468321864
10205327930
11a59a1a05
125892004a
1333701422
141d3abd6a
151305cd8a
hexc3d0e3a

205327930 has 8 divisors (see below), whose sum is σ = 369590292. Its totient is φ = 82131168.

The previous prime is 205327909. The next prime is 205327931. The reversal of 205327930 is 39723502.

205327930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 197880489 + 7447441 = 14067^2 + 2729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 205327892 and 205327901.

It is not an unprimeable number, because it can be changed into a prime (205327931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10266387 + ... + 10266406.

Almost surely, 2205327930 is an apocalyptic number.

205327930 is a deficient number, since it is larger than the sum of its proper divisors (164262362).

205327930 is a wasteful number, since it uses less digits than its factorization.

205327930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20532800.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 205327930 is about 14329.2682995330. The cubic root of 205327930 is about 589.9510923742.

The spelling of 205327930 in words is "two hundred five million, three hundred twenty-seven thousand, nine hundred thirty".

Divisors: 1 2 5 10 20532793 41065586 102663965 205327930