Base | Representation |
---|---|
bin | 11100111101001… |
… | …10001100100001 |
3 | 121221001200121201 |
4 | 32132212030201 |
5 | 444140324133 |
6 | 40034121201 |
7 | 6006426331 |
oct | 1636461441 |
9 | 557050551 |
10 | 242901793 |
11 | 115125792 |
12 | 69420201 |
13 | 3b428894 |
14 | 2438d0c1 |
15 | 164d0d7d |
hex | e7a6321 |
242901793 has 2 divisors, whose sum is σ = 242901794. Its totient is φ = 242901792.
The previous prime is 242901713. The next prime is 242901811. The reversal of 242901793 is 397109242.
242901793 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., 173396224 + 69505569 = 13168^2 + 8337^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-242901793 is a prime.
It is a super-2 number, since 2×2429017932 = 118002562085229698, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (242901713) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121450896 + 121450897.
It is an arithmetic number, because the mean of its divisors is an integer number (121450897).
Almost surely, 2242901793 is an apocalyptic number.
It is an amenable number.
242901793 is a deficient number, since it is larger than the sum of its proper divisors (1).
242901793 is an equidigital number, since it uses as much as digits as its factorization.
242901793 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 242901793 is about 15585.3069587994. The cubic root of 242901793 is about 623.9410702417.
The spelling of 242901793 in words is "two hundred forty-two million, nine hundred one thousand, seven hundred ninety-three".
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