Base | Representation |
---|---|
bin | 110010000101000… |
… | …1111111010111000 |
3 | 11100002222120202112 |
4 | 1210022033322320 |
5 | 11420141030443 |
6 | 434424551452 |
7 | 56433143261 |
oct | 14412177270 |
9 | 4302876675 |
10 | 1680408248 |
11 | 792601652 |
12 | 3aa922588 |
13 | 20a1a9c0c |
14 | 11d265968 |
15 | 9c7d3b18 |
hex | 6428feb8 |
1680408248 has 64 divisors (see below), whose sum is σ = 3516696000. Its totient is φ = 749012992.
The previous prime is 1680408217. The next prime is 1680408251. The reversal of 1680408248 is 8428040861.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205013 + ... + 213051.
It is an arithmetic number, because the mean of its divisors is an integer number (54948375).
Almost surely, 21680408248 is an apocalyptic number.
It is an amenable number.
1680408248 is an abundant number, since it is smaller than the sum of its proper divisors (1836287752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1680408248 is a wasteful number, since it uses less digits than its factorization.
1680408248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8144 (or 8140 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 41.
The square root of 1680408248 is about 40992.7828769895. The cubic root of 1680408248 is about 1188.8806761764.
The spelling of 1680408248 in words is "one billion, six hundred eighty million, four hundred eight thousand, two hundred forty-eight".
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