Base | Representation |
---|---|
bin | 1011111001101… |
… | …1110001110101 |
3 | 10110221020221011 |
4 | 2332123301311 |
5 | 100234434031 |
6 | 4541552221 |
7 | 1144215454 |
oct | 276336165 |
9 | 113836834 |
10 | 49921141 |
11 | 261a7546 |
12 | 14875671 |
13 | a45b54a |
14 | 68b6b9b |
15 | 45b16b1 |
hex | 2f9bc75 |
49921141 has 2 divisors, whose sum is σ = 49921142. Its totient is φ = 49921140.
The previous prime is 49921117. The next prime is 49921199. The reversal of 49921141 is 14112994.
49921141 is nontrivially palindromic in base 13.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 25704900 + 24216241 = 5070^2 + 4921^2 .
It is a cyclic number.
It is not a de Polignac number, because 49921141 - 27 = 49921013 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49928141) 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, 24960570 + 24960571.
It is an arithmetic number, because the mean of its divisors is an integer number (24960571).
Almost surely, 249921141 is an apocalyptic number.
It is an amenable number.
49921141 is a deficient number, since it is larger than the sum of its proper divisors (1).
49921141 is an equidigital number, since it uses as much as digits as its factorization.
49921141 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2592, while the sum is 31.
The square root of 49921141 is about 7065.4894381069. The cubic root of 49921141 is about 368.2093685924.
The spelling of 49921141 in words is "forty-nine million, nine hundred twenty-one thousand, one hundred forty-one".
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