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475838415 = 335131741389
BaseRepresentation
bin11100010111001…
…011011111001111
31020011101002121000
4130113023133033
51433303312130
6115114511343
714535363003
oct3427133717
91204332530
10475838415
11224664498
12113435553
13777756c0
14472a6703
152bb94260
hex1c5cb7cf

475838415 has 128 divisors (see below), whose sum is σ = 990662400. Its totient is φ = 214548480.

The previous prime is 475838383. The next prime is 475838417. The reversal of 475838415 is 514838574.

It is not a de Polignac number, because 475838415 - 25 = 475838383 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

Together with 514823985 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475838417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1223041 + ... + 1223429.

It is an arithmetic number, because the mean of its divisors is an integer number (7739550).

Almost surely, 2475838415 is an apocalyptic number.

475838415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

475838415 is an abundant number, since it is smaller than the sum of its proper divisors (514823985).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475838415 is a wasteful number, since it uses less digits than its factorization.

475838415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 468 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 475838415 is about 21813.7207967829. The cubic root of 475838415 is about 780.7041717857.

The spelling of 475838415 in words is "four hundred seventy-five million, eight hundred thirty-eight thousand, four hundred fifteen".

Divisors: 1 3 5 9 13 15 17 27 39 41 45 51 65 85 117 123 135 153 195 205 221 255 351 369 389 459 533 585 615 663 697 765 1105 1107 1167 1599 1755 1845 1945 1989 2091 2295 2665 3315 3485 3501 4797 5057 5535 5835 5967 6273 6613 7995 9061 9945 10455 10503 14391 15171 15949 17505 18819 19839 23985 25285 27183 29835 31365 33065 45305 45513 47847 52515 59517 71955 75855 79745 81549 85969 94095 99195 135915 136539 143541 178551 207337 227565 239235 244647 257907 271133 297585 407745 429845 430623 622011 682695 717705 773721 813399 892755 1036685 1223235 1289535 1355665 1866033 2153115 2321163 2440197 3110055 3524729 3868605 4066995 5598099 7320591 9330165 10574187 11605815 12200985 17623645 27990495 31722561 36602955 52870935 95167683 158612805 475838415