Base | Representation |
---|---|
bin | 1011101011111… |
… | …0110101110101 |
3 | 10102020021120010 |
4 | 2322332311311 |
5 | 100022004211 |
6 | 4510330433 |
7 | 1133426214 |
oct | 272766565 |
9 | 112207503 |
10 | 49016181 |
11 | 25739645 |
12 | 144b9a19 |
13 | a202676 |
14 | 671d07b |
15 | 44834a6 |
hex | 2ebed75 |
49016181 has 8 divisors (see below), whose sum is σ = 68794720. Its totient is φ = 30957552.
The previous prime is 49016171. The next prime is 49016183. The reversal of 49016181 is 18161094.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49016181 - 215 = 48983413 is a prime.
It is a super-2 number, since 2×490161812 = 4805171999649522, which contains 22 as substring.
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 (49016183) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429910 + ... + 430023.
It is an arithmetic number, because the mean of its divisors is an integer number (8599340).
Almost surely, 249016181 is an apocalyptic number.
It is an amenable number.
49016181 is a deficient number, since it is larger than the sum of its proper divisors (19778539).
49016181 is a wasteful number, since it uses less digits than its factorization.
49016181 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 859955.
The product of its (nonzero) digits is 1728, while the sum is 30.
The square root of 49016181 is about 7001.1556903129. The cubic root of 49016181 is about 365.9708463147.
The spelling of 49016181 in words is "forty-nine million, sixteen thousand, one hundred eighty-one".
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