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289254672 = 24337412333
BaseRepresentation
bin10001001111011…
…010110100010000
3202011021122211000
4101033122310100
51043022122142
644411422000
710111424040
oct2117326420
9664248730
10289254672
11139305353
1280a54900
1347c07c15
142a5b7720
151a5da14c
hex113dad10

289254672 has 160 divisors (see below), whose sum is σ = 972437760. Its totient is φ = 80593920.

The previous prime is 289254653. The next prime is 289254703. The reversal of 289254672 is 276452982.

289254672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 122818 + ... + 125150.

It is an arithmetic number, because the mean of its divisors is an integer number (6077736).

Almost surely, 2289254672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289254672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486218880).

289254672 is an abundant number, since it is smaller than the sum of its proper divisors (683183088).

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

289254672 is a wasteful number, since it uses less digits than its factorization.

289254672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2386 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 289254672 is about 17007.4887035094. The cubic root of 289254672 is about 661.3430502641.

The spelling of 289254672 in words is "two hundred eighty-nine million, two hundred fifty-four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 41 42 48 54 56 63 72 82 84 108 112 123 126 144 164 168 189 216 246 252 287 328 336 369 378 432 492 504 574 656 738 756 861 984 1008 1107 1148 1476 1512 1722 1968 2214 2296 2333 2583 2952 3024 3444 4428 4592 4666 5166 5904 6888 6999 7749 8856 9332 10332 13776 13998 15498 16331 17712 18664 20664 20997 27996 30996 32662 37328 41328 41994 48993 55992 61992 62991 65324 83988 95653 97986 111984 123984 125982 130648 146979 167976 191306 195972 251964 261296 286959 293958 335952 382612 391944 440937 503928 573918 587916 669571 765224 783888 860877 881874 1007856 1147836 1175832 1339142 1530448 1721754 1763748 2008713 2295672 2351664 2582631 2678284 3443508 3527496 4017426 4591344 5165262 5356568 6026139 6887016 7054992 8034852 10330524 10713136 12052278 13774032 16069704 18078417 20661048 24104556 32139408 36156834 41322096 48209112 72313668 96418224 144627336 289254672