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445532045 = 57195312641
BaseRepresentation
bin11010100011100…
…100011110001101
31011001100101001212
4122203210132031
51403024011140
6112113144205
714016650150
oct3243443615
91131311055
10445532045
11209544902
1210525b065
13713c413a
1443257c97
15291a9765
hex1a8e478d

445532045 has 32 divisors (see below), whose sum is σ = 655361280. Its totient is φ = 283944960.

The previous prime is 445532041. The next prime is 445532051. The reversal of 445532045 is 540235544.

It is not a de Polignac number, because 445532045 - 22 = 445532041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445532041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28925 + ... + 41565.

It is an arithmetic number, because the mean of its divisors is an integer number (20480040).

Almost surely, 2445532045 is an apocalyptic number.

It is an amenable number.

445532045 is a deficient number, since it is larger than the sum of its proper divisors (209829235).

445532045 is a wasteful number, since it uses less digits than its factorization.

445532045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12725.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 445532045 is about 21107.6300185502. The cubic root of 445532045 is about 763.7648172110.

Adding to 445532045 its reverse (540235544), we get a palindrome (985767589).

The spelling of 445532045 in words is "four hundred forty-five million, five hundred thirty-two thousand, forty-five".

Divisors: 1 5 7 19 35 53 95 133 265 371 665 1007 1855 5035 7049 12641 35245 63205 88487 240179 442435 669973 1200895 1681253 3349865 4689811 8406265 12729487 23449055 63647435 89106409 445532045