Base | Representation |
---|---|
bin | 101001000100101… |
… | …010101000110011 |
3 | 1210000122100111121 |
4 | 221010222220303 |
5 | 2402401322300 |
6 | 152213323111 |
7 | 23035106023 |
oct | 5104525063 |
9 | 1700570447 |
10 | 689089075 |
11 | 323a77904 |
12 | 172936497 |
13 | ac9bc01c |
14 | 67737a83 |
15 | 4076981a |
hex | 2912aa33 |
689089075 has 12 divisors (see below), whose sum is σ = 858526648. Its totient is φ = 548654400.
The previous prime is 689089057. The next prime is 689089087. The reversal of 689089075 is 570980986.
It is not a de Polignac number, because 689089075 - 215 = 689056307 is a prime.
It is a Duffinian 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, 60042 + ... + 70591.
Almost surely, 2689089075 is an apocalyptic number.
689089075 is a deficient number, since it is larger than the sum of its proper divisors (169437573).
689089075 is a wasteful number, since it uses less digits than its factorization.
689089075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130854 (or 130849 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 52.
The square root of 689089075 is about 26250.5061855957. The cubic root of 689089075 is about 883.2665591706.
The spelling of 689089075 in words is "six hundred eighty-nine million, eighty-nine thousand, seventy-five".
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