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545305005 = 325717791289
BaseRepresentation
bin100000100000001…
…011000110101101
31102000002100211200
4200200023012231
52104044230010
6130035440113
716341005340
oct4040130655
91360070750
10545305005
1125a8a07a3
12132756039
1388c884ab
14525ca457
1532d16cc0
hex2080b1ad

545305005 has 96 divisors (see below), whose sum is σ = 1159142400. Its totient is φ = 231469056.

The previous prime is 545305003. The next prime is 545305037. The reversal of 545305005 is 500503545.

It is not a de Polignac number, because 545305005 - 21 = 545305003 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 545305005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545305003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 422401 + ... + 423689.

It is an arithmetic number, because the mean of its divisors is an integer number (12074400).

Almost surely, 2545305005 is an apocalyptic number.

It is an amenable number.

545305005 is an abundant number, since it is smaller than the sum of its proper divisors (613837395).

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

545305005 is a wasteful number, since it uses less digits than its factorization.

545305005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 545305005 is about 23351.7666355246. The cubic root of 545305005 is about 816.9832662979.

The spelling of 545305005 in words is "five hundred forty-five million, three hundred five thousand, five".

Divisors: 1 3 5 7 9 15 17 21 35 45 51 63 79 85 105 119 153 237 255 315 357 395 553 595 711 765 1071 1185 1289 1343 1659 1785 2765 3555 3867 4029 4977 5355 6445 6715 8295 9023 9401 11601 12087 19335 20145 21913 24885 27069 28203 45115 47005 58005 60435 65739 81207 84609 101831 109565 135345 141015 153391 197217 305493 328695 406035 423045 460173 509155 712817 766955 916479 986085 1380519 1527465 1731127 2138451 2300865 3564085 4582395 5193381 6415353 6902595 8655635 10692255 12117889 15580143 25966905 32076765 36353667 60589445 77900715 109061001 181768335 545305005