Base | Representation |
---|---|
bin | 101010111101001… |
… | …011000101001001 |
3 | 1212020002022001202 |
4 | 222331023011021 |
5 | 2433443213431 |
6 | 155302353545 |
7 | 23600446442 |
oct | 5275130511 |
9 | 1766068052 |
10 | 720679241 |
11 | 33a893a87 |
12 | 18142b8b5 |
13 | b63cca29 |
14 | 6b9dc2c9 |
15 | 434098cb |
hex | 2af4b149 |
720679241 has 2 divisors, whose sum is σ = 720679242. Its totient is φ = 720679240.
The previous prime is 720679199. The next prime is 720679273. The reversal of 720679241 is 142976027.
720679241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 597558025 + 123121216 = 24445^2 + 11096^2 .
It is a cyclic number.
It is not a de Polignac number, because 720679241 - 218 = 720417097 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 720679195 and 720679204.
It is not a weakly prime, because it can be changed into another prime (720670241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360339620 + 360339621.
It is an arithmetic number, because the mean of its divisors is an integer number (360339621).
Almost surely, 2720679241 is an apocalyptic number.
It is an amenable number.
720679241 is a deficient number, since it is larger than the sum of its proper divisors (1).
720679241 is an equidigital number, since it uses as much as digits as its factorization.
720679241 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 42336, while the sum is 38.
The square root of 720679241 is about 26845.4696550461. The cubic root of 720679241 is about 896.5627083050.
The spelling of 720679241 in words is "seven hundred twenty million, six hundred seventy-nine thousand, two hundred forty-one".
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