Base | Representation |
---|---|
bin | 101001000100101… |
… | …100001010100100 |
3 | 1210000122200002100 |
4 | 221010230022210 |
5 | 2402402022312 |
6 | 152213412100 |
7 | 23035133202 |
oct | 5104541244 |
9 | 1700580070 |
10 | 689095332 |
11 | 323a81582 |
12 | 17293a030 |
13 | ac9c1b23 |
14 | 6773a072 |
15 | 4076b5dc |
hex | 2912c2a4 |
689095332 has 36 divisors (see below), whose sum is σ = 1801947420. Its totient is φ = 221777472.
The previous prime is 689095331. The next prime is 689095333. The reversal of 689095332 is 233590986.
It is an interprime number because it is at equal distance from previous prime (689095331) and next prime (689095333).
It can be written as a sum of positive squares in 2 ways, for example, as 171714816 + 517380516 = 13104^2 + 22746^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (689095331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328983 + ... + 331070.
It is an arithmetic number, because the mean of its divisors is an integer number (50054095).
Almost surely, 2689095332 is an apocalyptic number.
It is an amenable number.
689095332 is an abundant number, since it is smaller than the sum of its proper divisors (1112852088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
689095332 is a wasteful number, since it uses less digits than its factorization.
689095332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 660092 (or 660087 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 45.
The square root of 689095332 is about 26250.6253639794. The cubic root of 689095332 is about 883.2692325464.
The spelling of 689095332 in words is "six hundred eighty-nine million, ninety-five thousand, three hundred thirty-two".
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