Base | Representation |
---|---|
bin | 1011110010010… |
… | …1111001011111 |
3 | 10110000201121021 |
4 | 2330211321133 |
5 | 100124011203 |
6 | 4523345011 |
7 | 1140134665 |
oct | 274457137 |
9 | 113021537 |
10 | 49438303 |
11 | 259a7802 |
12 | 14682167 |
13 | a31c845 |
14 | 67ccc35 |
15 | 45185bd |
hex | 2f25e5f |
49438303 has 4 divisors (see below), whose sum is σ = 49466520. Its totient is φ = 49410088.
The previous prime is 49438271. The next prime is 49438307. The reversal of 49438303 is 30383494.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30383494 = 2 ⋅15191747.
It is a cyclic number.
It is not a de Polignac number, because 49438303 - 25 = 49438271 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49438307) 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 in 3 ways as a sum of consecutive naturals, for example, 11293 + ... + 15046.
It is an arithmetic number, because the mean of its divisors is an integer number (12366630).
Almost surely, 249438303 is an apocalyptic number.
49438303 is a deficient number, since it is larger than the sum of its proper divisors (28217).
49438303 is a wasteful number, since it uses less digits than its factorization.
49438303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28216.
The product of its (nonzero) digits is 31104, while the sum is 34.
The square root of 49438303 is about 7031.2376577669. The cubic root of 49438303 is about 367.0184118643.
The spelling of 49438303 in words is "forty-nine million, four hundred thirty-eight thousand, three hundred three".
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