Base | Representation |
---|---|
bin | 101000100011110… |
… | …010101101011000 |
3 | 1202102102112020212 |
4 | 220203302231120 |
5 | 2343200041014 |
6 | 151304510252 |
7 | 22601624405 |
oct | 5043625530 |
9 | 1672375225 |
10 | 680471384 |
11 | 31a12124a |
12 | 16ba7b388 |
13 | aac926b8 |
14 | 665332ac |
15 | 3eb1623e |
hex | 288f2b58 |
680471384 has 16 divisors (see below), whose sum is σ = 1293855120. Its totient is φ = 335443360.
The previous prime is 680471357. The next prime is 680471387. The reversal of 680471384 is 483174086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680471387) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598439 + ... + 599574.
It is an arithmetic number, because the mean of its divisors is an integer number (80865945).
Almost surely, 2680471384 is an apocalyptic number.
It is an amenable number.
680471384 is a deficient number, since it is larger than the sum of its proper divisors (613383736).
680471384 is a wasteful number, since it uses less digits than its factorization.
680471384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1198090 (or 1198086 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 41.
The square root of 680471384 is about 26085.8464305838. The cubic root of 680471384 is about 879.5690831009.
The spelling of 680471384 in words is "six hundred eighty million, four hundred seventy-one thousand, three hundred eighty-four".
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