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445004244 = 223219650591
BaseRepresentation
bin11010100001100…
…011100111010100
31011000100120001200
4122201203213110
51402410113434
6112053552500
714012321316
oct3241434724
91130316050
10445004244
11209214303
12105045730
137126ab29
144315b7b6
1529103199
hex1a8639d4

445004244 has 36 divisors (see below), whose sum is σ = 1184077440. Its totient is φ = 140527440.

The previous prime is 445004239. The next prime is 445004269. The reversal of 445004244 is 442400544.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324612 + ... + 325979.

It is an arithmetic number, because the mean of its divisors is an integer number (32891040).

Almost surely, 2445004244 is an apocalyptic number.

It is an amenable number.

445004244 is an abundant number, since it is smaller than the sum of its proper divisors (739073196).

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

445004244 is a wasteful number, since it uses less digits than its factorization.

445004244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650620 (or 650615 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 445004244 is about 21095.1237019364. The cubic root of 445004244 is about 763.4630992030.

Adding to 445004244 its reverse (442400544), we get a palindrome (887404788).

The spelling of 445004244 in words is "four hundred forty-five million, four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 650591 1301182 1951773 2602364 3903546 5855319 7807092 11710638 12361229 23421276 24722458 37083687 49444916 74167374 111251061 148334748 222502122 445004244