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449311212 = 22347198109
BaseRepresentation
bin11010110001111…
…111000111101100
31011022110101010000
4122301333013230
51410010424322
6112330144300
714064040140
oct3261770754
91138411100
10449311212
11210696189
12106582090
137211832c
144395d220
15296a43ac
hex1ac7f1ec

449311212 has 60 divisors (see below), whose sum is σ = 1342393360. Its totient is φ = 128373984.

The previous prime is 449311201. The next prime is 449311229. The reversal of 449311212 is 212113944.

It is a happy number.

449311212 is a `hidden beast` number, since 449 + 3 + 1 + 1 + 212 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 96787 + ... + 101322.

Almost surely, 2449311212 is an apocalyptic number.

449311212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

449311212 is an abundant number, since it is smaller than the sum of its proper divisors (893082148).

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

449311212 is a wasteful number, since it uses less digits than its factorization.

449311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198132 (or 198121 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 449311212 is about 21196.9623295415. The cubic root of 449311212 is about 765.9182514500.

The spelling of 449311212 in words is "four hundred forty-nine million, three hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 198109 396218 594327 792436 1188654 1386763 1782981 2377308 2773526 3565962 4160289 5348943 5547052 7131924 8320578 10697886 12480867 16046829 16641156 21395772 24961734 32093658 37442601 49923468 64187316 74885202 112327803 149770404 224655606 449311212