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445211312 = 247131671831
BaseRepresentation
bin11010100010010…
…110001010110000
31011000202002002212
4122202112022300
51402433230222
6112102231252
714014143110
oct3242261260
91130662085
10445211312
11209345937
12105125528
1371311160
14431b3040
15291446e2
hex1a8962b0

445211312 has 80 divisors (see below), whose sum is σ = 1068598272. Its totient is φ = 174977280.

The previous prime is 445211267. The next prime is 445211321. The reversal of 445211312 is 213112544.

It is a super-2 number, since 2×4452113122 = 396426224665522688, which contains 22 as substring.

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, 242237 + ... + 244067.

Almost surely, 2445211312 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 445211312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534299136).

445211312 is an abundant number, since it is smaller than the sum of its proper divisors (623386960).

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

445211312 is a wasteful number, since it uses less digits than its factorization.

445211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2020 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 445211312 is about 21100.0310900245. The cubic root of 445211312 is about 763.5814982708.

Adding to 445211312 its reverse (213112544), we get a palindrome (658323856).

The spelling of 445211312 in words is "four hundred forty-five million, two hundred eleven thousand, three hundred twelve".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 167 182 208 334 364 668 728 1169 1336 1456 1831 2171 2338 2672 3662 4342 4676 7324 8684 9352 12817 14648 15197 17368 18704 23803 25634 29296 30394 34736 47606 51268 60788 95212 102536 121576 166621 190424 205072 243152 305777 333242 380848 611554 666484 1223108 1332968 2140439 2446216 2665936 3975101 4280878 4892432 7950202 8561756 15900404 17123512 27825707 31800808 34247024 55651414 63601616 111302828 222605656 445211312