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445016312 = 231319322171
BaseRepresentation
bin11010100001100…
…110100011111000
31011000101011121122
4122201212203320
51402411010222
6112054124412
714012401436
oct3241464370
91130334548
10445016312
11209222384
12105050708
1371273480
1443161d56
1529106a42
hex1a8668f8

445016312 has 32 divisors (see below), whose sum is σ = 903287280. Its totient is φ = 204318720.

The previous prime is 445016303. The next prime is 445016323. The reversal of 445016312 is 213610544.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8987 + ... + 31157.

Almost surely, 2445016312 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 445016312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451643640).

445016312 is an abundant number, since it is smaller than the sum of its proper divisors (458270968).

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

445016312 is a wasteful number, since it uses less digits than its factorization.

445016312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22383 (or 22379 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 445016312 is about 21095.4097376657. The cubic root of 445016312 is about 763.4700005525.

Adding to 445016312 its reverse (213610544), we get a palindrome (658626856).

The spelling of 445016312 in words is "four hundred forty-five million, sixteen thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 193 386 772 1544 2509 5018 10036 20072 22171 44342 88684 177368 288223 576446 1152892 2305784 4279003 8558006 17116012 34232024 55627039 111254078 222508156 445016312