Base | Representation |
---|---|
bin | 1011110110110… |
… | …0101100100011 |
3 | 10110120110101120 |
4 | 2331230230203 |
5 | 100212301131 |
6 | 4533503323 |
7 | 1142453304 |
oct | 275545443 |
9 | 113513346 |
10 | 49728291 |
11 | 26085668 |
12 | 147a1b43 |
13 | a3c1832 |
14 | 68667ab |
15 | 4574496 |
hex | 2f6cb23 |
49728291 has 8 divisors (see below), whose sum is σ = 66342480. Its totient is φ = 33133152.
The previous prime is 49728251. The next prime is 49728293. The reversal of 49728291 is 19282794.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49728291 - 27 = 49728163 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49728293) 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, 3265 + ... + 10493.
It is an arithmetic number, because the mean of its divisors is an integer number (8292810).
Almost surely, 249728291 is an apocalyptic number.
49728291 is a deficient number, since it is larger than the sum of its proper divisors (16614189).
49728291 is a wasteful number, since it uses less digits than its factorization.
49728291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9525.
The product of its digits is 72576, while the sum is 42.
The square root of 49728291 is about 7051.8289117079. The cubic root of 49728291 is about 367.7346144074.
The spelling of 49728291 in words is "forty-nine million, seven hundred twenty-eight thousand, two hundred ninety-one".
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