Base | Representation |
---|---|
bin | 1011110101100… |
… | …1000100100011 |
3 | 10110102101010101 |
4 | 2331121010203 |
5 | 100202213112 |
6 | 4532043231 |
7 | 1142000041 |
oct | 275310443 |
9 | 113371111 |
10 | 49647907 |
11 | 26030231 |
12 | 14763517 |
13 | a39407a |
14 | 6845391 |
15 | 455a757 |
hex | 2f59123 |
49647907 has 4 divisors (see below), whose sum is σ = 49777920. Its totient is φ = 49517896.
The previous prime is 49647901. The next prime is 49647911. The reversal of 49647907 is 70974694.
49647907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 49647907 - 211 = 49645859 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49647901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64432 + ... + 65197.
It is an arithmetic number, because the mean of its divisors is an integer number (12444480).
Almost surely, 249647907 is an apocalyptic number.
49647907 is a deficient number, since it is larger than the sum of its proper divisors (130013).
49647907 is a wasteful number, since it uses less digits than its factorization.
49647907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130012.
The product of its (nonzero) digits is 381024, while the sum is 46.
The square root of 49647907 is about 7046.1270922401. The cubic root of 49647907 is about 367.5363642730.
The spelling of 49647907 in words is "forty-nine million, six hundred forty-seven thousand, nine hundred seven".
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