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449488000 = 2753132161
BaseRepresentation
bin11010110010101…
…010010010000000
31011022210100121201
4122302222102000
51410032104000
6112334030544
714065404433
oct3262522200
91138710551
10449488000
112107a6a95
12106648454
137217a940
14439a781a
15296db96a
hex1acaa480

449488000 has 128 divisors (see below), whose sum is σ = 1204061040. Its totient is φ = 165888000.

The previous prime is 449487991. The next prime is 449488027. The reversal of 449488000 is 884944.

It can be written as a sum of positive squares in 8 ways, for example, as 1065024 + 448422976 = 1032^2 + 21176^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206920 + ... + 209080.

Almost surely, 2449488000 is an apocalyptic number.

449488000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602030520).

449488000 is an abundant number, since it is smaller than the sum of its proper divisors (754573040).

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

449488000 is a wasteful number, since it uses less digits than its factorization.

449488000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 449488000 is about 21201.1320452470. The cubic root of 449488000 is about 766.0186921520.

The spelling of 449488000 in words is "four hundred forty-nine million, four hundred eighty-eight thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 125 128 130 160 200 208 250 260 320 325 400 416 500 520 640 650 800 832 1000 1040 1300 1600 1625 1664 2000 2080 2161 2600 3200 3250 4000 4160 4322 5200 6500 8000 8320 8644 10400 10805 13000 16000 17288 20800 21610 26000 28093 34576 41600 43220 52000 54025 56186 69152 86440 104000 108050 112372 138304 140465 172880 208000 216100 224744 270125 276608 280930 345760 432200 449488 540250 561860 691520 702325 864400 898976 1080500 1123720 1383040 1404650 1728800 1797952 2161000 2247440 2809300 3457600 3511625 3595904 4322000 4494880 5618600 6915200 7023250 8644000 8989760 11237200 14046500 17288000 17979520 22474400 28093000 34576000 44948800 56186000 89897600 112372000 224744000 449488000