Base | Representation |
---|---|
bin | 1011111010110… |
… | …1110101010001 |
3 | 10111002000100222 |
4 | 2332231311101 |
5 | 100244320324 |
6 | 4543322425 |
7 | 1144644164 |
oct | 276556521 |
9 | 114060328 |
10 | 49995089 |
11 | 26248061 |
12 | 148b0415 |
13 | a4860c1 |
14 | 68d5adb |
15 | 45c855e |
hex | 2fadd51 |
49995089 has 2 divisors, whose sum is σ = 49995090. Its totient is φ = 49995088.
The previous prime is 49995083. The next prime is 49995091. The reversal of 49995089 is 98059994.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 42250000 + 7745089 = 6500^2 + 2783^2 .
It is a cyclic number.
It is not a de Polignac number, because 49995089 - 24 = 49995073 is a prime.
Together with 49995091, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 49995089.
It is not a weakly prime, because it can be changed into another prime (49995083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24997544 + 24997545.
It is an arithmetic number, because the mean of its divisors is an integer number (24997545).
Almost surely, 249995089 is an apocalyptic number.
It is an amenable number.
49995089 is a deficient number, since it is larger than the sum of its proper divisors (1).
49995089 is an equidigital number, since it uses as much as digits as its factorization.
49995089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1049760, while the sum is 53.
The square root of 49995089 is about 7070.7205431978. The cubic root of 49995089 is about 368.3910879500.
The spelling of 49995089 in words is "forty-nine million, nine hundred ninety-five thousand, eighty-nine".
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