Base | Representation |
---|---|
bin | 101000100010111… |
… | …110001101110111 |
3 | 1202102000121022120 |
4 | 220202332031313 |
5 | 2343121201000 |
6 | 151300131023 |
7 | 22600040511 |
oct | 5042761567 |
9 | 1672017276 |
10 | 680256375 |
11 | 319a94757 |
12 | 16b996a73 |
13 | aac18886 |
14 | 664b8bb1 |
15 | 3eac26a0 |
hex | 288be377 |
680256375 has 32 divisors (see below), whose sum is σ = 1140295104. Its totient is φ = 360128000.
The previous prime is 680256361. The next prime is 680256391. The reversal of 680256375 is 573652086.
It is not a de Polignac number, because 680256375 - 211 = 680254327 is a prime.
It is a super-3 number, since 3×6802563753 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44755 + ... + 57995.
It is an arithmetic number, because the mean of its divisors is an integer number (35634222).
Almost surely, 2680256375 is an apocalyptic number.
680256375 is a deficient number, since it is larger than the sum of its proper divisors (460038729).
680256375 is a wasteful number, since it uses less digits than its factorization.
680256375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13396 (or 13386 counting only the distinct ones).
The product of its (nonzero) digits is 302400, while the sum is 42.
The square root of 680256375 is about 26081.7249237852. The cubic root of 680256375 is about 879.4764339976.
The spelling of 680256375 in words is "six hundred eighty million, two hundred fifty-six thousand, three hundred seventy-five".
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