Base | Representation |
---|---|
bin | 1011110110010… |
… | …1000000000001 |
3 | 10110111212011002 |
4 | 2331211000001 |
5 | 100210244034 |
6 | 4533101345 |
7 | 1142262353 |
oct | 275450001 |
9 | 113455132 |
10 | 49696769 |
11 | 26063a11 |
12 | 14787855 |
13 | a3b0395 |
14 | 68590d3 |
15 | 4569e7e |
hex | 2f65001 |
49696769 has 2 divisors, whose sum is σ = 49696770. Its totient is φ = 49696768.
The previous prime is 49696711. The next prime is 49696771. The reversal of 49696769 is 96769694.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47334400 + 2362369 = 6880^2 + 1537^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-49696769 is a prime.
It is a super-2 number, since 2×496967692 = 4939537698078722, which contains 22 as substring.
Together with 49696771, it forms a pair of twin primes.
It is a Chen prime.
It is an alternating number because its digits alternate between even and odd.
It is not a weakly prime, because it can be changed into another prime (49606769) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24848384 + 24848385.
It is an arithmetic number, because the mean of its divisors is an integer number (24848385).
Almost surely, 249696769 is an apocalyptic number.
It is an amenable number.
49696769 is a deficient number, since it is larger than the sum of its proper divisors (1).
49696769 is an equidigital number, since it uses as much as digits as its factorization.
49696769 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4408992, while the sum is 56.
The square root of 49696769 is about 7049.5935343820. The cubic root of 49696769 is about 367.6568975423.
The spelling of 49696769 in words is "forty-nine million, six hundred ninety-six thousand, seven hundred sixty-nine".
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