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445843225 = 524121032
BaseRepresentation
bin11010100100110…
…000011100011001
31011001221011221001
4122210300130121
51403113440400
6112123545001
714022414322
oct3244603431
91131834831
10445843225
11209737683
1210538b161
13714a2979
14432d9449
152921ba6a
hex1a930719

445843225 has 27 divisors (see below), whose sum is σ = 572213469. Its totient is φ = 344596800.

The previous prime is 445843217. The next prime is 445843253. The reversal of 445843225 is 522348544.

445843225 = 13 + 23 + ... + 2053.

The square root of 445843225 is 21115.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 187662601 + 258180624 = 13699^2 + 16068^2 .

It is not a de Polignac number, because 445843225 - 23 = 445843217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 4328524 + ... + 4328626.

Almost surely, 2445843225 is an apocalyptic number.

445843225 is the 21115-th square number.

445843225 is the 10558-th centered octagonal number.

It is an amenable number.

445843225 is a deficient number, since it is larger than the sum of its proper divisors (126370244).

445843225 is an equidigital number, since it uses as much as digits as its factorization.

445843225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 149 counting only the distinct ones).

The product of its digits is 153600, while the sum is 37.

The cubic root of 445843225 is about 763.9425919465.

The spelling of 445843225 in words is "four hundred forty-five million, eight hundred forty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 41 103 205 515 1025 1681 2575 4223 8405 10609 21115 42025 53045 105575 173143 265225 434969 865715 2174845 4328575 10874225 17833729 89168645 445843225