Base | Representation |
---|---|
bin | 101000100011011… |
… | …101111001001101 |
3 | 1202102021012022010 |
4 | 220203131321031 |
5 | 2343134324000 |
6 | 151303011433 |
7 | 22601121006 |
oct | 5043357115 |
9 | 1672235263 |
10 | 680386125 |
11 | 31a073191 |
12 | 16ba39b79 |
13 | aac62953 |
14 | 665101ad |
15 | 3eaead50 |
hex | 288dde4d |
680386125 has 16 divisors (see below), whose sum is σ = 1132163136. Its totient is φ = 362872400.
The previous prime is 680386111. The next prime is 680386127. The reversal of 680386125 is 521683086.
It is a happy number.
It is not a de Polignac number, because 680386125 - 28 = 680385869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680386127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906807 + ... + 907556.
It is an arithmetic number, because the mean of its divisors is an integer number (70760196).
Almost surely, 2680386125 is an apocalyptic number.
It is an amenable number.
680386125 is a deficient number, since it is larger than the sum of its proper divisors (451777011).
680386125 is a wasteful number, since it uses less digits than its factorization.
680386125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1814381 (or 1814371 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 680386125 is about 26084.2121790174. The cubic root of 680386125 is about 879.5323466491.
The spelling of 680386125 in words is "six hundred eighty million, three hundred eighty-six thousand, one hundred twenty-five".
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