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445534340 = 22522276717
BaseRepresentation
bin11010100011100…
…101000010000100
31011001100111012212
4122203211002010
51403024044330
6112113202552
714016656636
oct3243450204
91131314185
10445534340
112095465a9
12105260458
13713c51b4
1443258a56
15291aa295
hex1a8e5084

445534340 has 12 divisors (see below), whose sum is σ = 935622156. Its totient is φ = 178213728.

The previous prime is 445534333. The next prime is 445534367. The reversal of 445534340 is 43435544.

It can be written as a sum of positive squares in 2 ways, for example, as 184905604 + 260628736 = 13598^2 + 16144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 445534297 and 445534306.

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 3 ways as a sum of consecutive naturals, for example, 11138339 + ... + 11138378.

It is an arithmetic number, because the mean of its divisors is an integer number (77968513).

Almost surely, 2445534340 is an apocalyptic number.

It is an amenable number.

445534340 is an abundant number, since it is smaller than the sum of its proper divisors (490087816).

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

445534340 is a wasteful number, since it uses less digits than its factorization.

445534340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22276726 (or 22276724 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 445534340 is about 21107.6843827076. The cubic root of 445534340 is about 763.7661286297.

Adding to 445534340 its reverse (43435544), we get a palindrome (488969884).

The spelling of 445534340 in words is "four hundred forty-five million, five hundred thirty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 22276717 44553434 89106868 111383585 222767170 445534340