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445012 = 22111253
BaseRepresentation
bin1101100101001010100
3211121102221
41230221110
5103220022
613312124
73532261
oct1545124
9747387
10445012
11284387
12195644
13127729
14b8268
158bcc7
hex6ca54

445012 has 6 divisors (see below), whose sum is σ = 778778. Its totient is φ = 222504.

The previous prime is 445001. The next prime is 445019. The reversal of 445012 is 210544.

It can be written as a sum of positive squares in only one way, i.e., 414736 + 30276 = 644^2 + 174^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445019) by changing a digit.

445012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55623 + ... + 55630.

2445012 is an apocalyptic number.

It is an amenable number.

445012 is a deficient number, since it is larger than the sum of its proper divisors (333766).

445012 is a wasteful number, since it uses less digits than its factorization.

445012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111257 (or 111255 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 445012 is about 667.0921975259. The cubic root of 445012 is about 76.3467534655.

Adding to 445012 its reverse (210544), we get a palindrome (655556).

The spelling of 445012 in words is "four hundred forty-five thousand, twelve".

Divisors: 1 2 4 111253 222506 445012