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2005460125 = 53372331861
BaseRepresentation
bin111011110001000…
…1110010010011101
312011202121221002221
41313202032102131
513101344211000
6530555545341
7100461062344
oct16742162235
95152557087
102005460125
1193a036969
1247b75b251
1325c6396c6
141504bab5b
15bb0e061a
hex7788e49d

2005460125 has 32 divisors (see below), whose sum is σ = 2582877024. Its totient is φ = 1553472000.

The previous prime is 2005460099. The next prime is 2005460129. The reversal of 2005460125 is 5210645002.

It can be written as a sum of positive squares in 16 ways, for example, as 1868054841 + 137405284 = 43221^2 + 11722^2 .

It is a de Polignac number, because none of the positive numbers 2k-2005460125 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2005460125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005460129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1076695 + ... + 1078555.

It is an arithmetic number, because the mean of its divisors is an integer number (80714907).

Almost surely, 22005460125 is an apocalyptic number.

2005460125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2005460125 is a deficient number, since it is larger than the sum of its proper divisors (577416899).

2005460125 is a wasteful number, since it uses less digits than its factorization.

2005460125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2136 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2005460125 is about 44782.3639952158. The cubic root of 2005460125 is about 1261.0665624899.

The spelling of 2005460125 in words is "two billion, five million, four hundred sixty thousand, one hundred twenty-five".

Divisors: 1 5 25 37 125 185 233 925 1165 1861 4625 5825 8621 9305 29125 43105 46525 68857 215525 232625 344285 433613 1077625 1721425 2168065 8607125 10840325 16043681 54201625 80218405 401092025 2005460125