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445454345 = 5723189659
BaseRepresentation
bin11010100011010…
…001100000001001
31011001012102111002
4122203101200021
51403014014340
6112111344345
714016204500
oct3243214011
91131172432
10445454345
112094a1496
121052220b5
137139796b
1443237837
1529191715
hex1a8d1809

445454345 has 48 divisors (see below), whose sum is σ = 650073600. Its totient is φ = 291836160.

The previous prime is 445454311. The next prime is 445454369. The reversal of 445454345 is 543454544.

It is not a de Polignac number, because 445454345 - 28 = 445454089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 445454299 and 445454308.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 675626 + ... + 676284.

It is an arithmetic number, because the mean of its divisors is an integer number (13543200).

Almost surely, 2445454345 is an apocalyptic number.

It is an amenable number.

445454345 is a deficient number, since it is larger than the sum of its proper divisors (204619255).

445454345 is a wasteful number, since it uses less digits than its factorization.

445454345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 791 counting only the distinct ones).

The product of its digits is 384000, while the sum is 38.

The square root of 445454345 is about 21105.7893716392. The cubic root of 445454345 is about 763.7204148856.

The spelling of 445454345 in words is "four hundred forty-five million, four hundred fifty-four thousand, three hundred forty-five".

Divisors: 1 5 7 31 35 49 89 155 217 245 445 623 659 1085 1519 2759 3115 3295 4361 4613 7595 13795 19313 20429 21805 23065 32291 58651 96565 102145 135191 143003 161455 293255 410557 675955 715015 1001021 1818181 2052785 2873899 5005105 9090905 12727267 14369495 63636335 89090869 445454345