Base | Representation |
---|---|
bin | 101000100011101… |
… | …000101010001111 |
3 | 1202102100102210101 |
4 | 220203220222033 |
5 | 2343142231343 |
6 | 151303551531 |
7 | 22601363404 |
oct | 5043505217 |
9 | 1672312711 |
10 | 680430223 |
11 | 31a0a3330 |
12 | 16ba5b5a7 |
13 | aac79a45 |
14 | 665222ab |
15 | 3eb08e4d |
hex | 288e8a8f |
680430223 has 16 divisors (see below), whose sum is σ = 785715840. Its totient is φ = 582746400.
The previous prime is 680430217. The next prime is 680430241. The reversal of 680430223 is 322034086.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-680430223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 680430191 and 680430200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680430923) 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, 28836 + ... + 46822.
It is an arithmetic number, because the mean of its divisors is an integer number (49107240).
Almost surely, 2680430223 is an apocalyptic number.
680430223 is a deficient number, since it is larger than the sum of its proper divisors (105285617).
680430223 is a wasteful number, since it uses less digits than its factorization.
680430223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18198.
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 680430223 is about 26085.0574659133. The cubic root of 680430223 is about 879.5513480064.
The spelling of 680430223 in words is "six hundred eighty million, four hundred thirty thousand, two hundred twenty-three".
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