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289414080 = 26335194143
BaseRepresentation
bin10001010000000…
…001101111000000
3202011120202111000
4101100001233000
51043042222310
644415052000
710112656554
oct2120015700
9664522430
10289414080
1113940409a
1280b11000
1347c62647
142a619864
151a61c4c0
hex11401bc0

289414080 has 448 divisors, whose sum is σ = 1126540800. Its totient is φ = 69672960.

The previous prime is 289414067. The next prime is 289414163. The reversal of 289414080 is 80414982.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6730539 + ... + 6730581.

It is an arithmetic number, because the mean of its divisors is an integer number (2514600).

Almost surely, 2289414080 is an apocalyptic number.

289414080 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 289414080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563270400).

289414080 is an abundant number, since it is smaller than the sum of its proper divisors (837126720).

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

289414080 is a wasteful number, since it uses less digits than its factorization.

289414080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 289414080 is about 17012.1744641889. The cubic root of 289414080 is about 661.4645164815.

The spelling of 289414080 in words is "two hundred eighty-nine million, four hundred fourteen thousand, eighty".