Base | Representation |
---|---|
bin | 1011101110100… |
… | …0000111000111 |
3 | 10102112212102221 |
4 | 2323220013013 |
5 | 100042411343 |
6 | 4514113211 |
7 | 1135032103 |
oct | 273500707 |
9 | 112485387 |
10 | 49185223 |
11 | 2584464a |
12 | 1457b807 |
13 | a2615a9 |
14 | 6764903 |
15 | 44b85ed |
hex | 2ee81c7 |
49185223 has 4 divisors (see below), whose sum is σ = 49201720. Its totient is φ = 49168728.
The previous prime is 49185197. The next prime is 49185229. The reversal of 49185223 is 32258194.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32258194 = 2 ⋅16129097.
It is a cyclic number.
It is not a de Polignac number, because 49185223 - 217 = 49054151 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 (49185229) 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, 2388 + ... + 10201.
It is an arithmetic number, because the mean of its divisors is an integer number (12300430).
Almost surely, 249185223 is an apocalyptic number.
49185223 is a deficient number, since it is larger than the sum of its proper divisors (16497).
49185223 is a wasteful number, since it uses less digits than its factorization.
49185223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16496.
The product of its digits is 17280, while the sum is 34.
The square root of 49185223 is about 7013.2177351056. The cubic root of 49185223 is about 366.3910712365.
The spelling of 49185223 in words is "forty-nine million, one hundred eighty-five thousand, two hundred twenty-three".
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