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475393805 = 5317299933
BaseRepresentation
bin11100010101011…
…110111100001101
31020010112111200222
4130111132330031
51433200100210
6115101201125
714531531525
oct3425367415
91203474628
10475393805
11224390447
121132601a5
137764b213
14471cc685
152bb07655
hex1c55ef0d

475393805 has 8 divisors (see below), whose sum is σ = 572274072. Its totient is φ = 379114048.

The previous prime is 475393759. The next prime is 475393829. The reversal of 475393805 is 508393574.

It can be written as a sum of positive squares in 4 ways, for example, as 16491721 + 458902084 = 4061^2 + 21422^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 475393805 - 26 = 475393741 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 148382 + ... + 151551.

It is an arithmetic number, because the mean of its divisors is an integer number (71534259).

Almost surely, 2475393805 is an apocalyptic number.

It is an amenable number.

475393805 is a deficient number, since it is larger than the sum of its proper divisors (96880267).

475393805 is a wasteful number, since it uses less digits than its factorization.

475393805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300255.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 475393805 is about 21803.5273522428. The cubic root of 475393805 is about 780.4609400243.

The spelling of 475393805 in words is "four hundred seventy-five million, three hundred ninety-three thousand, eight hundred five".

Divisors: 1 5 317 1585 299933 1499665 95078761 475393805