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495776985 = 351122913121
BaseRepresentation
bin11101100011001…
…111010011011001
31021112220002011120
4131203033103121
52003404330420
6121110115453
715200014644
oct3543172331
91245802146
10495776985
11234942650
1211a04bb89
137b936b82
1449bb6a5b
152d7d1d40
hex1d8cf4d9

495776985 has 32 divisors (see below), whose sum is σ = 869201280. Its totient is φ = 239308800.

The previous prime is 495776977. The next prime is 495776989. The reversal of 495776985 is 589677594.

It is not a de Polignac number, because 495776985 - 23 = 495776977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495776989) 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, 31225 + ... + 44345.

It is an arithmetic number, because the mean of its divisors is an integer number (27162540).

Almost surely, 2495776985 is an apocalyptic number.

It is an amenable number.

495776985 is a deficient number, since it is larger than the sum of its proper divisors (373424295).

495776985 is a wasteful number, since it uses less digits than its factorization.

495776985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369.

The product of its digits is 19051200, while the sum is 60.

The square root of 495776985 is about 22266.0500538376. The cubic root of 495776985 is about 791.4596658177.

The spelling of 495776985 in words is "four hundred ninety-five million, seven hundred seventy-six thousand, nine hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 229 687 1145 2519 3435 7557 12595 13121 37785 39363 65605 144331 196815 432993 721655 2164965 3004709 9014127 15023545 33051799 45070635 99155397 165258995 495776985