Base | Representation |
---|---|
bin | 101000100011111… |
… | …010110111111110 |
3 | 1202102111020010121 |
4 | 220203322313332 |
5 | 2343202123310 |
6 | 151305325154 |
7 | 22602124045 |
oct | 5043726776 |
9 | 1672436117 |
10 | 680504830 |
11 | 31a144395 |
12 | 16ba967ba |
13 | aaca49a5 |
14 | 6654155c |
15 | 3eb210da |
hex | 288fadfe |
680504830 has 16 divisors (see below), whose sum is σ = 1226831184. Its totient is φ = 271774720.
The previous prime is 680504819. The next prime is 680504831. The reversal of 680504830 is 38405086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680504831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46672 + ... + 59491.
It is an arithmetic number, because the mean of its divisors is an integer number (76676949).
Almost surely, 2680504830 is an apocalyptic number.
680504830 is a deficient number, since it is larger than the sum of its proper divisors (546326354).
680504830 is a wasteful number, since it uses less digits than its factorization.
680504830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106811.
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 680504830 is about 26086.4874983199. The cubic root of 680504830 is about 879.5834934966.
The spelling of 680504830 in words is "six hundred eighty million, five hundred four thousand, eight hundred thirty".
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