Base | Representation |
---|---|
bin | 1011101011110… |
… | …0010001110101 |
3 | 10102012202011101 |
4 | 2322330101311 |
5 | 100021140220 |
6 | 4510210101 |
7 | 1133353501 |
oct | 272742165 |
9 | 112182141 |
10 | 49005685 |
11 | 25731773 |
12 | 144b3931 |
13 | a1ca961 |
14 | 6719301 |
15 | 448030a |
hex | 2ebc475 |
49005685 has 4 divisors (see below), whose sum is σ = 58806828. Its totient is φ = 39204544.
The previous prime is 49005673. The next prime is 49005689. The reversal of 49005685 is 58650094.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8071281 + 40934404 = 2841^2 + 6398^2 .
It is a cyclic number.
It is not a de Polignac number, because 49005685 - 211 = 49003637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49005689) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4900564 + ... + 4900573.
It is an arithmetic number, because the mean of its divisors is an integer number (14701707).
Almost surely, 249005685 is an apocalyptic number.
It is an amenable number.
49005685 is a deficient number, since it is larger than the sum of its proper divisors (9801143).
49005685 is an equidigital number, since it uses as much as digits as its factorization.
49005685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9801142.
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 49005685 is about 7000.4060596511. The cubic root of 49005685 is about 365.9447222598.
It can be divided in two parts, 4900 and 5685, that added together give a triangular number (10585 = T145).
The spelling of 49005685 in words is "forty-nine million, five thousand, six hundred eighty-five".
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