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445028166 = 2321122310079
BaseRepresentation
bin11010100001101…
…001011101000110
31011000101202212200
4122201221131012
51402411400131
6112054255330
714012451132
oct3241513506
91130352780
10445028166
11209230280
12105057546
137127899b
14431663c2
152910a2e6
hex1a869746

445028166 has 48 divisors (see below), whose sum is σ = 1056706560. Its totient is φ = 134238960.

The previous prime is 445028153. The next prime is 445028201. The reversal of 445028166 is 661820544.

It is a self number, because there is not a number n which added to its sum of digits gives 445028166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39115 + ... + 49193.

It is an arithmetic number, because the mean of its divisors is an integer number (22014720).

Almost surely, 2445028166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445028166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528353280).

445028166 is an abundant number, since it is smaller than the sum of its proper divisors (611678394).

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

445028166 is a wasteful number, since it uses less digits than its factorization.

445028166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321 (or 10318 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 445028166 is about 21095.6906973913. The cubic root of 445028166 is about 763.4767793999.

The spelling of 445028166 in words is "four hundred forty-five million, twenty-eight thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 223 446 669 1338 2007 2453 4014 4906 7359 10079 14718 20158 22077 30237 44154 60474 90711 110869 181422 221738 332607 665214 997821 1995642 2247617 4495234 6742851 13485702 20228553 24723787 40457106 49447574 74171361 148342722 222514083 445028166