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290448240320 = 2657435715281
BaseRepresentation
bin1000011101000000001…
…00000110111011000000
31000202200211121100202002
410032200010012323000
514224314222142240
6341232521443132
726661402210440
oct4164004067300
91022624540662
10290448240320
111021a6506937
124835a6404a8
1321509c731c4
14100b4740120
15784dd42d15
hex43a0106ec0

290448240320 has 224 divisors, whose sum is σ = 810386244096. Its totient is φ = 97077657600.

The previous prime is 290448240307. The next prime is 290448240331. The reversal of 290448240320 is 23042844092.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54996080 + ... + 55001360.

Almost surely, 2290448240320 is an apocalyptic number.

290448240320 is a gapful number since it is divisible by the number (20) 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 290448240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405193122048).

290448240320 is an abundant number, since it is smaller than the sum of its proper divisors (519938003776).

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

290448240320 is a wasteful number, since it uses less digits than its factorization.

290448240320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919 (or 5909 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 290448240320 in words is "two hundred ninety billion, four hundred forty-eight million, two hundred forty thousand, three hundred twenty".