Base | Representation |
---|---|
bin | 1011110110010… |
… | …0110001101011 |
3 | 10110111210220002 |
4 | 2331210301223 |
5 | 100210231401 |
6 | 4533053215 |
7 | 1142256602 |
oct | 275446153 |
9 | 113453802 |
10 | 49695851 |
11 | 26063257 |
12 | 1478720b |
13 | a3acb3a |
14 | 6858a39 |
15 | 4569a6b |
hex | 2f64c6b |
49695851 has 2 divisors, whose sum is σ = 49695852. Its totient is φ = 49695850.
The previous prime is 49695827. The next prime is 49695853. The reversal of 49695851 is 15859694.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 49695851 - 26 = 49695787 is a prime.
It is a super-2 number, since 2×496958512 = 4939355213228402, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 49695853, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 49695796 and 49695805.
It is not a weakly prime, because it can be changed into another prime (49695853) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24847925 + 24847926.
It is an arithmetic number, because the mean of its divisors is an integer number (24847926).
Almost surely, 249695851 is an apocalyptic number.
49695851 is a deficient number, since it is larger than the sum of its proper divisors (1).
49695851 is an equidigital number, since it uses as much as digits as its factorization.
49695851 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 388800, while the sum is 47.
The square root of 49695851 is about 7049.5284239444. The cubic root of 49695851 is about 367.6546337391.
The spelling of 49695851 in words is "forty-nine million, six hundred ninety-five thousand, eight hundred fifty-one".
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