Base | Representation |
---|---|
bin | 101001000100110… |
… | …000000100000100 |
3 | 1210000200110222202 |
4 | 221010300010010 |
5 | 2402403030200 |
6 | 152214014032 |
7 | 23035230563 |
oct | 5104600404 |
9 | 1700613882 |
10 | 689111300 |
11 | 323a92579 |
12 | 172947318 |
13 | ac9c9187 |
14 | 67741bda |
15 | 407711d5 |
hex | 29130104 |
689111300 has 36 divisors (see below), whose sum is σ = 1523597796. Its totient is φ = 270441600.
The previous prime is 689111279. The next prime is 689111317. The reversal of 689111300 is 3111986.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 85229824 + 603881476 = 9232^2 + 24574^2 .
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59711 + ... + 70310.
It is an arithmetic number, because the mean of its divisors is an integer number (42322161).
Almost surely, 2689111300 is an apocalyptic number.
It is an amenable number.
689111300 is an abundant number, since it is smaller than the sum of its proper divisors (834486496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
689111300 is a wasteful number, since it uses less digits than its factorization.
689111300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130088 (or 130081 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 29.
The square root of 689111300 is about 26250.9295073527. The cubic root of 689111300 is about 883.2760549862.
The spelling of 689111300 in words is "six hundred eighty-nine million, one hundred eleven thousand, three hundred".
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