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289104249 = 3722760647
BaseRepresentation
bin10001001110110…
…110000101111001
3202011000000110210
4101032312011321
51043002313444
644404301333
710110226350
oct2116660571
9664000423
10289104249
11139212335
12809a1849
1347b84605
142a578997
151a5aa7b9
hex113b6179

289104249 has 16 divisors (see below), whose sum is σ = 442487808. Its totient is φ = 164471952.

The previous prime is 289104229. The next prime is 289104251. The reversal of 289104249 is 942401982.

It is not a de Polignac number, because 289104249 - 25 = 289104217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289104229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25557 + ... + 35090.

It is an arithmetic number, because the mean of its divisors is an integer number (27655488).

Almost surely, 2289104249 is an apocalyptic number.

It is an amenable number.

289104249 is a deficient number, since it is larger than the sum of its proper divisors (153383559).

289104249 is a wasteful number, since it uses less digits than its factorization.

289104249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60884.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 289104249 is about 17003.0658706011. The cubic root of 289104249 is about 661.2283895344.

The spelling of 289104249 in words is "two hundred eighty-nine million, one hundred four thousand, two hundred forty-nine".

Divisors: 1 3 7 21 227 681 1589 4767 60647 181941 424529 1273587 13766869 41300607 96368083 289104249