Base | Representation |
---|---|
bin | 1011111010000… |
… | …1000001100111 |
3 | 10110222100102002 |
4 | 2332201001213 |
5 | 100241131011 |
6 | 4542235515 |
7 | 1144335224 |
oct | 276410147 |
9 | 113870362 |
10 | 49942631 |
11 | 26211702 |
12 | 14885b9b |
13 | a46826b |
14 | 68c094b |
15 | 45b7c3b |
hex | 2fa1067 |
49942631 has 2 divisors, whose sum is σ = 49942632. Its totient is φ = 49942630.
The previous prime is 49942619. The next prime is 49942661. The reversal of 49942631 is 13624994.
49942631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 49942631 - 26 = 49942567 is a prime.
It is a super-2 number, since 2×499426312 = 4988532782404322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (49942661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24971315 + 24971316.
It is an arithmetic number, because the mean of its divisors is an integer number (24971316).
Almost surely, 249942631 is an apocalyptic number.
49942631 is a deficient number, since it is larger than the sum of its proper divisors (1).
49942631 is an equidigital number, since it uses as much as digits as its factorization.
49942631 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 46656, while the sum is 38.
The square root of 49942631 is about 7067.0100466888. The cubic root of 49942631 is about 368.2621964726.
The spelling of 49942631 in words is "forty-nine million, nine hundred forty-two thousand, six hundred thirty-one".
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