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475353985 = 5372569481
BaseRepresentation
bin11100010101010…
…101001110000001
31020010110111002011
4130111111032001
51433142311420
6115100252521
714531304451
oct3425251601
91203414064
10475353985
11224363537
12113241141
1377636062
14471bbd61
152baea95a
hex1c555381

475353985 has 8 divisors (see below), whose sum is σ = 585841896. Its totient is φ = 370005120.

The previous prime is 475353953. The next prime is 475354001. The reversal of 475353985 is 589353574.

It can be written as a sum of positive squares in 4 ways, for example, as 159971904 + 315382081 = 12648^2 + 17759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 475353985 - 25 = 475353953 is a prime.

It is a super-2 number, since 2×4753539852 = 451922822110760450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284556 + ... + 1284925.

It is an arithmetic number, because the mean of its divisors is an integer number (73230237).

Almost surely, 2475353985 is an apocalyptic number.

It is an amenable number.

475353985 is a deficient number, since it is larger than the sum of its proper divisors (110487911).

475353985 is a wasteful number, since it uses less digits than its factorization.

475353985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569523.

The product of its digits is 2268000, while the sum is 49.

The square root of 475353985 is about 21802.6141781209. The cubic root of 475353985 is about 780.4391483910.

The spelling of 475353985 in words is "four hundred seventy-five million, three hundred fifty-three thousand, nine hundred eighty-five".

Divisors: 1 5 37 185 2569481 12847405 95070797 475353985