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289106935 = 51314929851
BaseRepresentation
bin10001001110110…
…110101111110111
3202011000011011021
4101032312233313
51043002410220
644404322011
710110240235
oct2116665767
9664004137
10289106935
11139214357
12809a3307
1347b858c0
142a579955
151a5ab4aa
hex113b6bf7

289106935 has 16 divisors (see below), whose sum is σ = 376135200. Its totient is φ = 212054400.

The previous prime is 289106933. The next prime is 289106953. The reversal of 289106935 is 539601982.

It is a happy number.

It is not a de Polignac number, because 289106935 - 21 = 289106933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289106891 and 289106900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289106933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5241 + ... + 24610.

It is an arithmetic number, because the mean of its divisors is an integer number (23508450).

Almost surely, 2289106935 is an apocalyptic number.

289106935 is a deficient number, since it is larger than the sum of its proper divisors (87028265).

289106935 is a wasteful number, since it uses less digits than its factorization.

289106935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30018.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 289106935 is about 17003.1448561729. The cubic root of 289106935 is about 661.2304373009.

The spelling of 289106935 in words is "two hundred eighty-nine million, one hundred six thousand, nine hundred thirty-five".

Divisors: 1 5 13 65 149 745 1937 9685 29851 149255 388063 1940315 4447799 22238995 57821387 289106935