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449665912 = 231731106657
BaseRepresentation
bin11010110011010…
…101101101111000
31011100010101200001
4122303111231320
51410103302122
6112341522344
714100045223
oct3263255570
91140111601
10449665912
11210908723
121067133b4
1372210907
1443a125ba
1529724527
hex1acd5b78

449665912 has 32 divisors (see below), whose sum is σ = 921525120. Its totient is φ = 204779520.

The previous prime is 449665903. The next prime is 449665927. The reversal of 449665912 is 219566944.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49113 + ... + 57544.

It is an arithmetic number, because the mean of its divisors is an integer number (28797660).

Almost surely, 2449665912 is an apocalyptic number.

It is an amenable number.

449665912 is an abundant number, since it is smaller than the sum of its proper divisors (471859208).

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

449665912 is a wasteful number, since it uses less digits than its factorization.

449665912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106711 (or 106707 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 449665912 is about 21205.3274438288. The cubic root of 449665912 is about 766.1197448614.

The spelling of 449665912 in words is "four hundred forty-nine million, six hundred sixty-five thousand, nine hundred twelve".

Divisors: 1 2 4 8 17 31 34 62 68 124 136 248 527 1054 2108 4216 106657 213314 426628 853256 1813169 3306367 3626338 6612734 7252676 13225468 14505352 26450936 56208239 112416478 224832956 449665912