Base | Representation |
---|---|
bin | 1011101011011… |
… | …0011001111101 |
3 | 10102011112011102 |
4 | 2322312121331 |
5 | 100014403004 |
6 | 4505502445 |
7 | 1133223404 |
oct | 272663175 |
9 | 112145142 |
10 | 48981629 |
11 | 25715694 |
12 | 144a1a25 |
13 | a1bca18 |
14 | 671063b |
15 | 447811e |
hex | 2eb667d |
48981629 has 2 divisors, whose sum is σ = 48981630. Its totient is φ = 48981628.
The previous prime is 48981619. The next prime is 48981631. The reversal of 48981629 is 92618984.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25989604 + 22992025 = 5098^2 + 4795^2 .
It is a cyclic number.
It is not a de Polignac number, because 48981629 - 216 = 48916093 is a prime.
Together with 48981631, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48981619) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24490814 + 24490815.
It is an arithmetic number, because the mean of its divisors is an integer number (24490815).
Almost surely, 248981629 is an apocalyptic number.
It is an amenable number.
48981629 is a deficient number, since it is larger than the sum of its proper divisors (1).
48981629 is an equidigital number, since it uses as much as digits as its factorization.
48981629 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 248832, while the sum is 47.
The square root of 48981629 is about 6998.6876626979. The cubic root of 48981629 is about 365.8848339218.
The spelling of 48981629 in words is "forty-eight million, nine hundred eighty-one thousand, six hundred twenty-nine".
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