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445334450 = 25211273609
BaseRepresentation
bin11010100010110…
…100001110110010
31011000222100000112
4122202310032302
51403001200300
6112105021322
714015165111
oct3242641662
91130870015
10445334450
1120941a400
12105184842
1371355212
1443205c78
152916ae35
hex1a8b43b2

445334450 has 36 divisors (see below), whose sum is σ = 910482090. Its totient is φ = 161937600.

The previous prime is 445334413. The next prime is 445334453. The reversal of 445334450 is 54433544.

It can be written as a sum of positive squares in 3 ways, for example, as 186349801 + 258984649 = 13651^2 + 16093^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445334453) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30755 + ... + 42854.

Almost surely, 2445334450 is an apocalyptic number.

445334450 is an abundant number, since it is smaller than the sum of its proper divisors (465147640).

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

445334450 is a wasteful number, since it uses less digits than its factorization.

445334450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73643 (or 73627 counting only the distinct ones).

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

The square root of 445334450 is about 21102.9488460736. The cubic root of 445334450 is about 763.6518897371.

Adding to 445334450 its reverse (54433544), we get a palindrome (499767994).

The spelling of 445334450 in words is "four hundred forty-five million, three hundred thirty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 242 275 550 605 1210 3025 6050 73609 147218 368045 736090 809699 1619398 1840225 3680450 4048495 8096990 8906689 17813378 20242475 40484950 44533445 89066890 222667225 445334450