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205076140 = 22510253807
BaseRepresentation
bin11000011100100…
…11011010101100
3112021212221120121
430032103122230
5404444414030
632203254324
75040055423
oct1416233254
9467787517
10205076140
11a583a815
125881a3a4
1333643939
141d3442ba
151300d47a
hexc3936ac

205076140 has 12 divisors (see below), whose sum is σ = 430659936. Its totient is φ = 82030448.

The previous prime is 205076107. The next prime is 205076143. The reversal of 205076140 is 41670502.

205076140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (205076143) 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, 5126884 + ... + 5126923.

It is an arithmetic number, because the mean of its divisors is an integer number (35888328).

Almost surely, 2205076140 is an apocalyptic number.

205076140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205076140 is an abundant number, since it is smaller than the sum of its proper divisors (225583796).

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

205076140 is a wasteful number, since it uses less digits than its factorization.

205076140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253816 (or 10253814 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 205076140 is about 14320.4797405674. The cubic root of 205076140 is about 589.7098448800.

The spelling of 205076140 in words is "two hundred five million, seventy-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 10253807 20507614 41015228 51269035 102538070 205076140