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445068 = 223313317
BaseRepresentation
bin1101100101010001100
3211121112000
41230222030
5103220233
613312300
73532401
oct1545214
9747460
10445068
11284428
12195690
13127770
14b82a8
158bd13
hex6ca8c

445068 has 48 divisors (see below), whose sum is σ = 1246560. Its totient is φ = 136512.

The previous prime is 445033. The next prime is 445069. The reversal of 445068 is 860544.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (445069) by changing a digit.

445068 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 in 15 ways as a sum of consecutive naturals, for example, 1246 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (25970).

2445068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623280).

445068 is an abundant number, since it is smaller than the sum of its proper divisors (801492).

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

445068 is a wasteful number, since it uses less digits than its factorization.

445068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 445068 is about 667.1341694142. The cubic root of 445068 is about 76.3499558053.

The spelling of 445068 in words is "four hundred forty-five thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 156 234 317 351 468 634 702 951 1268 1404 1902 2853 3804 4121 5706 8242 8559 11412 12363 16484 17118 24726 34236 37089 49452 74178 111267 148356 222534 445068