Base | Representation |
---|---|
bin | 101000100101110… |
… | …000000101100010 |
3 | 1202110101121201002 |
4 | 220211300011202 |
5 | 2343313004210 |
6 | 151323512002 |
7 | 22606163543 |
oct | 5045600542 |
9 | 1673347632 |
10 | 680984930 |
11 | 31a44206a |
12 | 170088602 |
13 | ab112382 |
14 | 666284ca |
15 | 3ebb84a5 |
hex | 28970162 |
680984930 has 16 divisors (see below), whose sum is σ = 1226418624. Its totient is φ = 272250480.
The previous prime is 680984923. The next prime is 680984933. The reversal of 680984930 is 39489086.
It is not an unprimeable number, because it can be changed into a prime (680984933) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3179 + ... + 37041.
It is an arithmetic number, because the mean of its divisors is an integer number (76651164).
Almost surely, 2680984930 is an apocalyptic number.
680984930 is a deficient number, since it is larger than the sum of its proper divisors (545433694).
680984930 is a wasteful number, since it uses less digits than its factorization.
680984930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35881.
The product of its (nonzero) digits is 373248, while the sum is 47.
The square root of 680984930 is about 26095.6879579750. The cubic root of 680984930 is about 879.7902952446.
The spelling of 680984930 in words is "six hundred eighty million, nine hundred eighty-four thousand, nine hundred thirty".
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