Base | Representation |
---|---|
bin | 1011110110000… |
… | …1011100101101 |
3 | 10110111010012021 |
4 | 2331201130231 |
5 | 100204312341 |
6 | 4532510141 |
7 | 1142202061 |
oct | 275413455 |
9 | 113433167 |
10 | 49682221 |
11 | 26053a96 |
12 | 1477b351 |
13 | a3a6884 |
14 | 6853aa1 |
15 | 45659d1 |
hex | 2f6172d |
49682221 has 2 divisors, whose sum is σ = 49682222. Its totient is φ = 49682220.
The previous prime is 49682183. The next prime is 49682239. The reversal of 49682221 is 12228694.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47955625 + 1726596 = 6925^2 + 1314^2 .
It is a cyclic number.
It is not a de Polignac number, because 49682221 - 223 = 41293613 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49682251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24841110 + 24841111.
It is an arithmetic number, because the mean of its divisors is an integer number (24841111).
Almost surely, 249682221 is an apocalyptic number.
It is an amenable number.
49682221 is a deficient number, since it is larger than the sum of its proper divisors (1).
49682221 is an equidigital number, since it uses as much as digits as its factorization.
49682221 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 13824, while the sum is 34.
The square root of 49682221 is about 7048.5616263178. The cubic root of 49682221 is about 367.6210186535.
The spelling of 49682221 in words is "forty-nine million, six hundred eighty-two thousand, two hundred twenty-one".
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