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289466039 = 1912575897
BaseRepresentation
bin10001010000001…
…110011010110111
3202011200101202102
4101100032122313
51043100403124
644420132315
710113264212
oct2120163267
9664611672
10289466039
1113943a135
1280b3709b
1347c801a5
142a630779
151a62caae
hex1140e6b7

289466039 has 8 divisors (see below), whose sum is σ = 292163328. Its totient is φ = 286781440.

The previous prime is 289466029. The next prime is 289466041. The reversal of 289466039 is 930664982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-289466039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289465984 and 289466002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289466029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46139 + ... + 52035.

It is an arithmetic number, because the mean of its divisors is an integer number (36520416).

Almost surely, 2289466039 is an apocalyptic number.

289466039 is a deficient number, since it is larger than the sum of its proper divisors (2697289).

289466039 is a wasteful number, since it uses less digits than its factorization.

289466039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 289466039 is about 17013.7015079024. The cubic root of 289466039 is about 661.5040987278.

The spelling of 289466039 in words is "two hundred eighty-nine million, four hundred sixty-six thousand, thirty-nine".

Divisors: 1 191 257 5897 49087 1126327 1515529 289466039