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475255349 = 1785732621
BaseRepresentation
bin11100010100111…
…101001000110101
31020010021110202222
4130110331020311
51433131132344
6115054212125
714530414052
oct3424751065
91203243688
10475255349
112242a6418
121131b4045
13776001aa
1447194029
152bacb5ee
hex1c53d235

475255349 has 8 divisors (see below), whose sum is σ = 503814168. Its totient is φ = 446763520.

The previous prime is 475255309. The next prime is 475255381. The reversal of 475255349 is 943552574.

It can be written as a sum of positive squares in 4 ways, for example, as 265527025 + 209728324 = 16295^2 + 14482^2 .

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 475255349 - 224 = 458478133 is a prime.

It is a super-2 number, since 2×4752553492 = 451735293506223602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475255309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 30879.

It is an arithmetic number, because the mean of its divisors is an integer number (62976771).

Almost surely, 2475255349 is an apocalyptic number.

It is an amenable number.

475255349 is a deficient number, since it is larger than the sum of its proper divisors (28558819).

475255349 is a wasteful number, since it uses less digits than its factorization.

475255349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33495.

The product of its digits is 756000, while the sum is 44.

The square root of 475255349 is about 21800.3520384419. The cubic root of 475255349 is about 780.3851642562.

The spelling of 475255349 in words is "four hundred seventy-five million, two hundred fifty-five thousand, three hundred forty-nine".

Divisors: 1 17 857 14569 32621 554557 27956197 475255349