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404741545 = 51329415237
BaseRepresentation
bin11000000111111…
…101110110101001
31001012121000000121
4120013331312221
51312103212140
6104055003241
713013150335
oct3007756651
91035530017
10404741545
1119851434a
12b3669521
1365b11850
143ba7a7c5
15257ed64a
hex181fdda9

404741545 has 32 divisors (see below), whose sum is σ = 554389920. Its totient is φ = 281487360.

The previous prime is 404741539. The next prime is 404741563. The reversal of 404741545 is 545147404.

It can be written as a sum of positive squares in 16 ways, for example, as 180311184 + 224430361 = 13428^2 + 14981^2 .

It is not a de Polignac number, because 404741545 - 27 = 404741417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404741545.

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 31 ways as a sum of consecutive naturals, for example, 74667 + ... + 79903.

It is an arithmetic number, because the mean of its divisors is an integer number (17324685).

Almost surely, 2404741545 is an apocalyptic number.

It is an amenable number.

404741545 is a deficient number, since it is larger than the sum of its proper divisors (149648375).

404741545 is a wasteful number, since it uses less digits than its factorization.

404741545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 404741545 is about 20118.1894066042. The cubic root of 404741545 is about 739.7062048970.

Adding to 404741545 its reverse (545147404), we get a palindrome (949888949).

The spelling of 404741545 in words is "four hundred four million, seven hundred forty-one thousand, five hundred forty-five".

Divisors: 1 5 13 29 41 65 145 205 377 533 1189 1885 2665 5237 5945 15457 26185 68081 77285 151873 214717 340405 759365 1073585 1974349 2791321 6226793 9871745 13956605 31133965 80948309 404741545