Base | Representation |
---|---|
bin | 1010001011101… |
… | …0110100010001 |
3 | 2222100210200201 |
4 | 2202322310101 |
5 | 41413130431 |
6 | 4123215201 |
7 | 1026004552 |
oct | 242726421 |
9 | 88323621 |
10 | 42708241 |
11 | 22120374 |
12 | 12377501 |
13 | 8b04464 |
14 | 595a329 |
15 | 3b39461 |
hex | 28bad11 |
42708241 has 2 divisors, whose sum is σ = 42708242. Its totient is φ = 42708240.
The previous prime is 42708209. The next prime is 42708247. The reversal of 42708241 is 14280724.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26224641 + 16483600 = 5121^2 + 4060^2 .
It is a cyclic number.
It is not a de Polignac number, because 42708241 - 25 = 42708209 is a prime.
It is not a weakly prime, because it can be changed into another prime (42708247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21354120 + 21354121.
It is an arithmetic number, because the mean of its divisors is an integer number (21354121).
Almost surely, 242708241 is an apocalyptic number.
It is an amenable number.
42708241 is a deficient number, since it is larger than the sum of its proper divisors (1).
42708241 is an equidigital number, since it uses as much as digits as its factorization.
42708241 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3584, while the sum is 28.
The square root of 42708241 is about 6535.1542445454. The cubic root of 42708241 is about 349.5456444432.
Adding to 42708241 its reverse (14280724), we get a palindrome (56988965).
The spelling of 42708241 in words is "forty-two million, seven hundred eight thousand, two hundred forty-one".
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