Base | Representation |
---|---|
bin | 1011110100100… |
… | …0110100011001 |
3 | 10110021222210211 |
4 | 2331020310121 |
5 | 100143100322 |
6 | 4530411121 |
7 | 1141302001 |
oct | 275106431 |
9 | 113258724 |
10 | 49581337 |
11 | 25a95213 |
12 | 14730aa1 |
13 | a36c990 |
14 | 6829001 |
15 | 4545b77 |
hex | 2f48d19 |
49581337 has 4 divisors (see below), whose sum is σ = 53395300. Its totient is φ = 45767376.
The previous prime is 49581319. The next prime is 49581361. The reversal of 49581337 is 73318594.
49581337 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 an emirpimes, since its reverse is a distinct semiprime: 73318594 = 2 ⋅36659297.
It can be written as a sum of positive squares in 2 ways, for example, as 31764496 + 17816841 = 5636^2 + 4221^2 .
It is a cyclic number.
It is not a de Polignac number, because 49581337 - 27 = 49581209 is a prime.
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 49581337.
It is not an unprimeable number, because it can be changed into a prime (49581377) 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, 1906962 + ... + 1906987.
It is an arithmetic number, because the mean of its divisors is an integer number (13348825).
Almost surely, 249581337 is an apocalyptic number.
It is an amenable number.
49581337 is a deficient number, since it is larger than the sum of its proper divisors (3813963).
49581337 is a wasteful number, since it uses less digits than its factorization.
49581337 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3813962.
The product of its digits is 90720, while the sum is 40.
The square root of 49581337 is about 7041.4016360381. The cubic root of 49581337 is about 367.3720213979.
The spelling of 49581337 in words is "forty-nine million, five hundred eighty-one thousand, three hundred thirty-seven".
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