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205530010 = 2572419449
BaseRepresentation
bin11000100000000…
…10001110011010
3112022202000011121
430100002032122
5410103430020
632221115454
75043655600
oct1420021632
9468660147
10205530010
11a601a814
12589b8b8a
13337723ba
141d421870
151309cbaa
hexc40239a

205530010 has 24 divisors (see below), whose sum is σ = 430355700. Its totient is φ = 70467264.

The previous prime is 205529977. The next prime is 205530037. The reversal of 205530010 is 10035502.

205530010 is digitally balanced in base 3, 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 176703849 + 28826161 = 13293^2 + 5369^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209235 + ... + 210214.

Almost surely, 2205530010 is an apocalyptic number.

205530010 is an abundant number, since it is smaller than the sum of its proper divisors (224825690).

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

205530010 is a wasteful number, since it uses less digits than its factorization.

205530010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419470 (or 419463 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 205530010 is about 14336.3178675698. The cubic root of 205530010 is about 590.1445686142.

Adding to 205530010 its reverse (10035502), we get a palindrome (215565512).

The spelling of 205530010 in words is "two hundred five million, five hundred thirty thousand, ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 419449 838898 2097245 2936143 4194490 5872286 14680715 20553001 29361430 41106002 102765005 205530010