Base | Representation |
---|---|
bin | 101001000100011… |
… | …111010110010000 |
3 | 1210000120000001220 |
4 | 221010133112100 |
5 | 2402343332312 |
6 | 152212325040 |
7 | 23034524142 |
oct | 5104372620 |
9 | 1700500056 |
10 | 689042832 |
11 | 323a46095 |
12 | 172913780 |
13 | ac9a3c6a |
14 | 67724c92 |
15 | 4075ac8c |
hex | 2911f590 |
689042832 has 40 divisors (see below), whose sum is σ = 1857422784. Its totient is φ = 219694464.
The previous prime is 689042821. The next prime is 689042833. The reversal of 689042832 is 238240986.
It is not an unprimeable number, because it can be changed into a prime (689042833) 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 7 ways as a sum of consecutive naturals, for example, 310963 + ... + 313170.
Almost surely, 2689042832 is an apocalyptic number.
It is an amenable number.
689042832 is an abundant number, since it is smaller than the sum of its proper divisors (1168379952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
689042832 is a wasteful number, since it uses less digits than its factorization.
689042832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 624167 (or 624161 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 689042832 is about 26249.6253687553. The cubic root of 689042832 is about 883.2468008110.
The spelling of 689042832 in words is "six hundred eighty-nine million, forty-two thousand, eight hundred thirty-two".
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