Base | Representation |
---|---|
bin | 1011111010010… |
… | …0001001111001 |
3 | 10110222222222211 |
4 | 2332210021321 |
5 | 100242033244 |
6 | 4542415121 |
7 | 1144420465 |
oct | 276441171 |
9 | 113888884 |
10 | 49955449 |
11 | 262202a5 |
12 | 148914a1 |
13 | a47104b |
14 | 68c54a5 |
15 | 45bb934 |
hex | 2fa4279 |
49955449 has 2 divisors, whose sum is σ = 49955450. Its totient is φ = 49955448.
The previous prime is 49955447. The next prime is 49955483. The reversal of 49955449 is 94455994.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 39438400 + 10517049 = 6280^2 + 3243^2 .
It is a cyclic number.
It is not a de Polignac number, because 49955449 - 21 = 49955447 is a prime.
It is a super-5 number, since 5×499554495 (a number of 40 digits) contains 55555 as substring.
Together with 49955447, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (49955441) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24977724 + 24977725.
It is an arithmetic number, because the mean of its divisors is an integer number (24977725).
Almost surely, 249955449 is an apocalyptic number.
It is an amenable number.
49955449 is a deficient number, since it is larger than the sum of its proper divisors (1).
49955449 is an equidigital number, since it uses as much as digits as its factorization.
49955449 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1166400, while the sum is 49.
The square root of 49955449 is about 7067.9168784020. The cubic root of 49955449 is about 368.2936991585.
The spelling of 49955449 in words is "forty-nine million, nine hundred fifty-five thousand, four hundred forty-nine".
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