Base | Representation |
---|---|
bin | 1011111000110… |
… | …1111001100011 |
3 | 10110211100221121 |
4 | 2332031321203 |
5 | 100231124131 |
6 | 4540433111 |
7 | 1143560641 |
oct | 276157143 |
9 | 113740847 |
10 | 49864291 |
11 | 26168864 |
12 | 14848797 |
13 | a43b6c9 |
14 | 68a0191 |
15 | 459e911 |
hex | 2f8de63 |
49864291 has 2 divisors, whose sum is σ = 49864292. Its totient is φ = 49864290.
The previous prime is 49864289. The next prime is 49864307. The reversal of 49864291 is 19246894.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 49864291 - 21 = 49864289 is a prime.
Together with 49864289, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (49864201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24932145 + 24932146.
It is an arithmetic number, because the mean of its divisors is an integer number (24932146).
Almost surely, 249864291 is an apocalyptic number.
49864291 is a deficient number, since it is larger than the sum of its proper divisors (1).
49864291 is an equidigital number, since it uses as much as digits as its factorization.
49864291 is an evil number, because the sum of its binary digits is even.
The product of its digits is 124416, while the sum is 43.
The square root of 49864291 is about 7061.4652162281. The cubic root of 49864291 is about 368.0695437056.
The spelling of 49864291 in words is "forty-nine million, eight hundred sixty-four thousand, two hundred ninety-one".
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