Base | Representation |
---|---|
bin | 1011111001001… |
… | …1100000110111 |
3 | 10110212112111022 |
4 | 2332103200313 |
5 | 100232343122 |
6 | 4541131355 |
7 | 1144014662 |
oct | 276234067 |
9 | 113775438 |
10 | 49887287 |
11 | 2618406a |
12 | 14859b5b |
13 | a449008 |
14 | 68a86d9 |
15 | 45a6642 |
hex | 2f93837 |
49887287 has 2 divisors, whose sum is σ = 49887288. Its totient is φ = 49887286.
The previous prime is 49887281. The next prime is 49887301. The reversal of 49887287 is 78278894.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 49887287 - 26 = 49887223 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49887281) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24943643 + 24943644.
It is an arithmetic number, because the mean of its divisors is an integer number (24943644).
Almost surely, 249887287 is an apocalyptic number.
49887287 is a deficient number, since it is larger than the sum of its proper divisors (1).
49887287 is an equidigital number, since it uses as much as digits as its factorization.
49887287 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1806336, while the sum is 53.
The square root of 49887287 is about 7063.0933025127. The cubic root of 49887287 is about 368.1261160961.
The spelling of 49887287 in words is "forty-nine million, eight hundred eighty-seven thousand, two hundred eighty-seven".
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