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2005035385 = 571139179227
BaseRepresentation
bin111011110000010…
…0110100101111001
312011201211100110211
41313200212211321
513101242113020
6530542511121
7100454343133
oct16740464571
95151740424
102005035385
11939876841
1247b5954a1
1325c51b292
1415040a053
15bb05985a
hex77826979

2005035385 has 32 divisors (see below), whose sum is σ = 2482099200. Its totient is φ = 1554409920.

The previous prime is 2005035371. The next prime is 2005035397. The reversal of 2005035385 is 5835305002.

It is not a de Polignac number, because 2005035385 - 25 = 2005035353 is a prime.

It is an unprimeable number.

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, 8832642 + ... + 8832868.

It is an arithmetic number, because the mean of its divisors is an integer number (77565600).

Almost surely, 22005035385 is an apocalyptic number.

It is an amenable number.

2005035385 is a deficient number, since it is larger than the sum of its proper divisors (477063815).

2005035385 is a wasteful number, since it uses less digits than its factorization.

2005035385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2005035385 is about 44777.6214754647. The cubic root of 2005035385 is about 1260.9775283536.

The spelling of 2005035385 in words is "two billion, five million, thirty-five thousand, three hundred eighty-five".

Divisors: 1 5 71 139 179 227 355 695 895 1135 9869 12709 16117 24881 31553 40633 49345 63545 80585 124405 157765 203165 1766551 2240263 2884943 5647987 8832755 11201315 14424715 28239935 401007077 2005035385