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289395926 = 21117112953
BaseRepresentation
bin10001001111111…
…101010011010110
3202011112211120122
4101033331103112
51043041132201
644414431542
710112552621
oct2117752326
9664484518
10289395926
111393a1496
1280b025b2
1347c572c1
142a612db8
151a616e1b
hex113fd4d6

289395926 has 8 divisors (see below), whose sum is σ = 434166264. Its totient is φ = 144673840.

The previous prime is 289395893. The next prime is 289395937. The reversal of 289395926 is 629593982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15866 + ... + 28818.

It is an arithmetic number, because the mean of its divisors is an integer number (54270783).

Almost surely, 2289395926 is an apocalyptic number.

289395926 is a deficient number, since it is larger than the sum of its proper divisors (144770338).

289395926 is a wasteful number, since it uses less digits than its factorization.

289395926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24126.

The product of its digits is 2099520, while the sum is 53.

The square root of 289395926 is about 17011.6408967507. The cubic root of 289395926 is about 661.4506856894.

The spelling of 289395926 in words is "two hundred eighty-nine million, three hundred ninety-five thousand, nine hundred twenty-six".

Divisors: 1 2 11171 12953 22342 25906 144697963 289395926