Base | Representation |
---|---|
bin | 100111101010… |
… | …100100101001 |
3 | 201120021100212 |
4 | 213222210221 |
5 | 10130213433 |
6 | 1010510505 |
7 | 154244564 |
oct | 47524451 |
9 | 21507325 |
10 | 10397993 |
11 | 5962191 |
12 | 3595435 |
13 | 2200a78 |
14 | 15494db |
15 | da5d48 |
hex | 9ea929 |
10397993 has 2 divisors, whose sum is σ = 10397994. Its totient is φ = 10397992.
The previous prime is 10397987. The next prime is 10398013. The reversal of 10397993 is 39979301.
10397993 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5697769 + 4700224 = 2387^2 + 2168^2 .
It is an emirp because it is prime and its reverse (39979301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10397993 - 24 = 10397977 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10397993.
It is not a weakly prime, because it can be changed into another prime (10397903) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5198996 + 5198997.
It is an arithmetic number, because the mean of its divisors is an integer number (5198997).
Almost surely, 210397993 is an apocalyptic number.
It is an amenable number.
10397993 is a deficient number, since it is larger than the sum of its proper divisors (1).
10397993 is an equidigital number, since it uses as much as digits as its factorization.
10397993 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 45927, while the sum is 41.
The square root of 10397993 is about 3224.5919121650. The cubic root of 10397993 is about 218.2645345197.
The spelling of 10397993 in words is "ten million, three hundred ninety-seven thousand, nine hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •