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205466030 = 25711266839
BaseRepresentation
bin11000011111100…
…10100110101110
3112022121202101222
430033302212232
5410044403110
632215503342
75043301220
oct1417624656
9468552358
10205466030
11a5a86740
1258987b52
133374c243
141d406410
1513088c55
hexc3f29ae

205466030 has 32 divisors (see below), whose sum is σ = 461099520. Its totient is φ = 64041120.

The previous prime is 205466021. The next prime is 205466059. The reversal of 205466030 is 30664502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132650 + ... + 134189.

It is an arithmetic number, because the mean of its divisors is an integer number (14409360).

Almost surely, 2205466030 is an apocalyptic number.

205466030 is an abundant number, since it is smaller than the sum of its proper divisors (255633490).

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

205466030 is a wasteful number, since it uses less digits than its factorization.

205466030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266864.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 205466030 is about 14334.0862980519. The cubic root of 205466030 is about 590.0833263524.

The spelling of 205466030 in words is "two hundred five million, four hundred sixty-six thousand, thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 266839 533678 1334195 1867873 2668390 2935229 3735746 5870458 9339365 14676145 18678730 20546603 29352290 41093206 102733015 205466030