Base | Representation |
---|---|
bin | 1011101111110… |
… | …0011110001101 |
3 | 10102201002211202 |
4 | 2323330132031 |
5 | 100103043441 |
6 | 4515555245 |
7 | 1135530203 |
oct | 273743615 |
9 | 112632752 |
10 | 49268621 |
11 | 258a1276 |
12 | 145bbb25 |
13 | a29053c |
14 | 6787073 |
15 | 44d319b |
hex | 2efc78d |
49268621 has 2 divisors, whose sum is σ = 49268622. Its totient is φ = 49268620.
The previous prime is 49268617. The next prime is 49268633. The reversal of 49268621 is 12686294.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 48846121 + 422500 = 6989^2 + 650^2 .
It is a cyclic number.
It is not a de Polignac number, because 49268621 - 22 = 49268617 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49268521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24634310 + 24634311.
It is an arithmetic number, because the mean of its divisors is an integer number (24634311).
Almost surely, 249268621 is an apocalyptic number.
It is an amenable number.
49268621 is a deficient number, since it is larger than the sum of its proper divisors (1).
49268621 is an equidigital number, since it uses as much as digits as its factorization.
49268621 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 41472, while the sum is 38.
The square root of 49268621 is about 7019.1609897480. The cubic root of 49268621 is about 366.5980373850.
The spelling of 49268621 in words is "forty-nine million, two hundred sixty-eight thousand, six hundred twenty-one".
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