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445078026 = 23224726557
BaseRepresentation
bin11010100001110…
…101101000001010
31011000111022021100
4122201311220022
51402414444101
6112055322230
714013046401
oct3241655012
91130438240
10445078026
11209264788
12105080376
13712955a3
144317a638
1529119e86
hex1a875a0a

445078026 has 12 divisors (see below), whose sum is σ = 964335762. Its totient is φ = 148359336.

The previous prime is 445078019. The next prime is 445078043. The reversal of 445078026 is 620870544.

It can be written as a sum of positive squares in only one way, i.e., 294156801 + 150921225 = 17151^2 + 12285^2 .

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 12363261 + ... + 12363296.

Almost surely, 2445078026 is an apocalyptic number.

445078026 is an abundant number, since it is smaller than the sum of its proper divisors (519257736).

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

445078026 is a wasteful number, since it uses less digits than its factorization.

445078026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24726565 (or 24726562 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 445078026 is about 21096.8724222336. The cubic root of 445078026 is about 763.5052911014.

The spelling of 445078026 in words is "four hundred forty-five million, seventy-eight thousand, twenty-six".

Divisors: 1 2 3 6 9 18 24726557 49453114 74179671 148359342 222539013 445078026