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289004118 = 231343199433
BaseRepresentation
bin10001001110011…
…101101001010110
3202010210221010020
4101032131221112
51042441112433
644402210010
710106331414
oct2116355126
9663727106
10289004118
11139154087
1280953906
1347b4ab70
142a5502b4
151a58acb3
hex1139da56

289004118 has 64 divisors (see below), whose sum is σ = 641625600. Its totient is φ = 86220288.

The previous prime is 289004101. The next prime is 289004141. The reversal of 289004118 is 811400982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 667230 + ... + 667662.

It is an arithmetic number, because the mean of its divisors is an integer number (10025400).

Almost surely, 2289004118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289004118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320812800).

289004118 is an abundant number, since it is smaller than the sum of its proper divisors (352621482).

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

289004118 is a wasteful number, since it uses less digits than its factorization.

289004118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 289004118 is about 17000.1211172156. The cubic root of 289004118 is about 661.1520420975.

The spelling of 289004118 in words is "two hundred eighty-nine million, four thousand, one hundred eighteen".

Divisors: 1 2 3 6 13 26 39 43 78 86 129 199 258 398 433 559 597 866 1118 1194 1299 1677 2587 2598 3354 5174 5629 7761 8557 11258 15522 16887 17114 18619 25671 33774 37238 51342 55857 86167 111241 111714 172334 222482 242047 258501 333723 484094 517002 667446 726141 1120171 1452282 2240342 3360513 3705181 6721026 7410362 11115543 22231086 48167353 96334706 144502059 289004118