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445404245 = 51113622943
BaseRepresentation
bin11010100011000…
…101010001010101
31011001002212202112
4122203011101111
51403010413440
6112110320405
714015605436
oct3243052125
91131085675
10445404245
11209467890
121051b9105
137137ac10
144322348d
1529181965
hex1a8c5455

445404245 has 16 divisors (see below), whose sum is σ = 627927552. Its totient is φ = 299012160.

The previous prime is 445404241. The next prime is 445404259. The reversal of 445404245 is 542404544.

It is not a de Polignac number, because 445404245 - 22 = 445404241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445404241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310757 + ... + 312186.

It is an arithmetic number, because the mean of its divisors is an integer number (39245472).

Almost surely, 2445404245 is an apocalyptic number.

It is an amenable number.

445404245 is a deficient number, since it is larger than the sum of its proper divisors (182523307).

445404245 is a wasteful number, since it uses less digits than its factorization.

445404245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622972.

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 445404245 is about 21104.6024601270. The cubic root of 445404245 is about 763.6917820767.

Adding to 445404245 its reverse (542404544), we get a palindrome (987808789).

The spelling of 445404245 in words is "four hundred forty-five million, four hundred four thousand, two hundred forty-five".

Divisors: 1 5 11 13 55 65 143 715 622943 3114715 6852373 8098259 34261865 40491295 89080849 445404245