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289733484 = 223234324413
BaseRepresentation
bin10001010001001…
…111101101101100
3202012011222121210
4101101033231230
51043132432414
644425554420
710115460015
oct2121175554
9665158553
10289733484
11139602067
1281045a10
1348044b41
142a6a000c
151a681e59
hex1144fb6c

289733484 has 48 divisors (see below), whose sum is σ = 721873152. Its totient is φ = 90226752.

The previous prime is 289733467. The next prime is 289733501. The reversal of 289733484 is 484337982.

It is an interprime number because it is at equal distance from previous prime (289733467) and next prime (289733501).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339 + ... + 24074.

It is an arithmetic number, because the mean of its divisors is an integer number (15039024).

Almost surely, 2289733484 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 289733484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360936576).

289733484 is an abundant number, since it is smaller than the sum of its proper divisors (432139668).

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

289733484 is a wasteful number, since it uses less digits than its factorization.

289733484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24486 (or 24484 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 289733484 is about 17021.5593880232. The cubic root of 289733484 is about 661.7077628106.

The spelling of 289733484 in words is "two hundred eighty-nine million, seven hundred thirty-three thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 23 43 46 69 86 92 129 138 172 258 276 516 989 1978 2967 3956 5934 11868 24413 48826 73239 97652 146478 292956 561499 1049759 1122998 1684497 2099518 2245996 3149277 3368994 4199036 6298554 6737988 12597108 24144457 48288914 72433371 96577828 144866742 289733484