Base | Representation |
---|---|
bin | 1011110001100… |
… | …0000001011111 |
3 | 10102220211122101 |
4 | 2330120001133 |
5 | 100120201341 |
6 | 4522225531 |
7 | 1136510206 |
oct | 274300137 |
9 | 112824571 |
10 | 49381471 |
11 | 25969037 |
12 | 146552a7 |
13 | a2cca09 |
14 | 67b623d |
15 | 4506831 |
hex | 2f1805f |
49381471 has 4 divisors (see below), whose sum is σ = 49396072. Its totient is φ = 49366872.
The previous prime is 49381459. The next prime is 49381487. The reversal of 49381471 is 17418394.
49381471 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, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 49381471 - 29 = 49380959 is a prime.
It is a super-3 number, since 3×493814713 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 49381471.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49381411) 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, 685 + ... + 9961.
It is an arithmetic number, because the mean of its divisors is an integer number (12349018).
Almost surely, 249381471 is an apocalyptic number.
49381471 is a deficient number, since it is larger than the sum of its proper divisors (14601).
49381471 is an equidigital number, since it uses as much as digits as its factorization.
49381471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14600.
The product of its digits is 24192, while the sum is 37.
The square root of 49381471 is about 7027.1951018881. The cubic root of 49381471 is about 366.8777221100.
The spelling of 49381471 in words is "forty-nine million, three hundred eighty-one thousand, four hundred seventy-one".
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