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445311412 = 22731324967
BaseRepresentation
bin11010100010101…
…110100110110100
31011000221011102021
4122202232212310
51402444431122
6112104322524
714015041000
oct3242564664
91130834367
10445311412
11209404067
12105173444
13713478a0
14431db700
15291641c7
hex1a8ae9b4

445311412 has 48 divisors (see below), whose sum is σ = 978745600. Its totient is φ = 176160096.

The previous prime is 445311401. The next prime is 445311421. The reversal of 445311412 is 214113544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5353 + ... + 30319.

Almost surely, 2445311412 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 445311412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489372800).

445311412 is an abundant number, since it is smaller than the sum of its proper divisors (533434188).

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

445311412 is a wasteful number, since it uses less digits than its factorization.

445311412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25005 (or 24989 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 445311412 is about 21102.4029911288. The cubic root of 445311412 is about 763.6387211207.

Adding to 445311412 its reverse (214113544), we get a palindrome (659424956).

The spelling of 445311412 in words is "four hundred forty-five million, three hundred eleven thousand, four hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 343 364 637 686 1274 1372 2548 4459 8918 17836 24967 49934 99868 174769 324571 349538 649142 699076 1223383 1298284 2271997 2446766 4543994 4893532 8563681 9087988 15903979 17127362 31807958 34254724 63615916 111327853 222655706 445311412