Base | Representation |
---|---|
bin | 1011101100110… |
… | …0110101010001 |
3 | 10102100012011122 |
4 | 2323030311101 |
5 | 100030322424 |
6 | 4511452025 |
7 | 1134055253 |
oct | 273146521 |
9 | 112305148 |
10 | 49073489 |
11 | 25778703 |
12 | 14527015 |
13 | a22278a |
14 | 6735cd3 |
15 | 449545e |
hex | 2eccd51 |
49073489 has 2 divisors, whose sum is σ = 49073490. Its totient is φ = 49073488.
The previous prime is 49073483. The next prime is 49073491. The reversal of 49073489 is 98437094.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 38130625 + 10942864 = 6175^2 + 3308^2 .
It is a cyclic number.
It is not a de Polignac number, because 49073489 - 24 = 49073473 is a prime.
Together with 49073491, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (49073483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24536744 + 24536745.
It is an arithmetic number, because the mean of its divisors is an integer number (24536745).
Almost surely, 249073489 is an apocalyptic number.
It is an amenable number.
49073489 is a deficient number, since it is larger than the sum of its proper divisors (1).
49073489 is an equidigital number, since it uses as much as digits as its factorization.
49073489 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 49073489 is about 7005.2472475995. The cubic root of 49073489 is about 366.1134175261.
The spelling of 49073489 in words is "forty-nine million, seventy-three thousand, four hundred eighty-nine".
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