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289039653 = 32713613371
BaseRepresentation
bin10001001110100…
…110010100100101
3202010212201212100
4101032212110211
51042443232103
644403042313
710106540130
oct2116462445
9663781770
10289039653
11139178851
1280970399
1347b610a6
142a55d217
151a5965a3
hex113a6525

289039653 has 24 divisors (see below), whose sum is σ = 477637056. Its totient is φ = 164995200.

The previous prime is 289039637. The next prime is 289039703. The reversal of 289039653 is 356930982.

It is not a de Polignac number, because 289039653 - 24 = 289039637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289039599 and 289039608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289039603) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 84058 + ... + 87428.

It is an arithmetic number, because the mean of its divisors is an integer number (19901544).

Almost surely, 2289039653 is an apocalyptic number.

It is an amenable number.

289039653 is a deficient number, since it is larger than the sum of its proper divisors (188597403).

289039653 is a wasteful number, since it uses less digits than its factorization.

289039653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745 (or 4742 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 289039653 is about 17001.1662247035. The cubic root of 289039653 is about 661.1791386837.

The spelling of 289039653 in words is "two hundred eighty-nine million, thirty-nine thousand, six hundred fifty-three".

Divisors: 1 3 7 9 21 63 1361 3371 4083 9527 10113 12249 23597 28581 30339 70791 85743 212373 4587931 13763793 32115517 41291379 96346551 289039653