Base | Representation |
---|---|
bin | 101000100010110… |
… | …111110100001010 |
3 | 1202101222021100102 |
4 | 220202313310022 |
5 | 2343114331104 |
6 | 151255405402 |
7 | 22566601202 |
oct | 5042676412 |
9 | 1671867312 |
10 | 680230154 |
11 | 319a76a8a |
12 | 16b983862 |
13 | aac09966 |
14 | 664ad402 |
15 | 3eab9a1e |
hex | 288b7d0a |
680230154 has 32 divisors (see below), whose sum is σ = 1070931456. Its totient is φ = 323781120.
The previous prime is 680230151. The next prime is 680230189. The reversal of 680230154 is 451032086.
It is not an unprimeable number, because it can be changed into a prime (680230151) 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, 555587 + ... + 556809.
It is an arithmetic number, because the mean of its divisors is an integer number (33466608).
Almost surely, 2680230154 is an apocalyptic number.
680230154 is a deficient number, since it is larger than the sum of its proper divisors (390701302).
680230154 is a wasteful number, since it uses less digits than its factorization.
680230154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1430.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 680230154 is about 26081.2222489668. Note that the first 4 decimals coincide. The cubic root of 680230154 is about 879.4651338227.
The spelling of 680230154 in words is "six hundred eighty million, two hundred thirty thousand, one hundred fifty-four".
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