Base | Representation |
---|---|
bin | 1010001100010… |
… | …1000101010101 |
3 | 2222102221101012 |
4 | 2203011011111 |
5 | 41421002133 |
6 | 4124142005 |
7 | 1026241265 |
oct | 243050525 |
9 | 88387335 |
10 | 42750293 |
11 | 22149a23 |
12 | 12397905 |
13 | 8b1a641 |
14 | 596b7a5 |
15 | 3b46b48 |
hex | 28c5155 |
42750293 has 2 divisors, whose sum is σ = 42750294. Its totient is φ = 42750292.
The previous prime is 42750269. The next prime is 42750317. The reversal of 42750293 is 39205724.
It is a happy number.
It is a balanced prime because it is at equal distance from previous prime (42750269) and next prime (42750317).
It can be written as a sum of positive squares in only one way, i.e., 42081169 + 669124 = 6487^2 + 818^2 .
It is a cyclic number.
It is not a de Polignac number, because 42750293 - 210 = 42749269 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42750233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21375146 + 21375147.
It is an arithmetic number, because the mean of its divisors is an integer number (21375147).
Almost surely, 242750293 is an apocalyptic number.
It is an amenable number.
42750293 is a deficient number, since it is larger than the sum of its proper divisors (1).
42750293 is an equidigital number, since it uses as much as digits as its factorization.
42750293 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 42750293 is about 6538.3708215426. The cubic root of 42750293 is about 349.6603316895.
The spelling of 42750293 in words is "forty-two million, seven hundred fifty thousand, two hundred ninety-three".
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