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289243702 = 21131213681
BaseRepresentation
bin10001001111011…
…000001000110110
3202011021002202201
4101033120020312
51043021244302
644411255114
710111350046
oct2117301066
9664232681
10289243702
111392a8090
1280a4a49a
1347c02c27
142a5b3726
151a5d6c87
hex113d8236

289243702 has 24 divisors (see below), whose sum is σ = 489104136. Its totient is φ = 127224000.

The previous prime is 289243693. The next prime is 289243723. The reversal of 289243702 is 207342982.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 14302 + ... + 27982.

It is an arithmetic number, because the mean of its divisors is an integer number (20379339).

Almost surely, 2289243702 is an apocalyptic number.

289243702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289243702 is a deficient number, since it is larger than the sum of its proper divisors (199860434).

289243702 is a wasteful number, since it uses less digits than its factorization.

289243702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13756 (or 13725 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 289243702 is about 17007.1661954601. The cubic root of 289243702 is about 661.3346896674.

The spelling of 289243702 in words is "two hundred eighty-nine million, two hundred forty-three thousand, seven hundred two".

Divisors: 1 2 11 22 31 62 341 682 961 1922 10571 13681 21142 27362 150491 300982 424111 848222 4665221 9330442 13147441 26294882 144621851 289243702