Base | Representation |
---|---|
bin | 1011101110111… |
… | …1000011110110 |
3 | 10102121022111010 |
4 | 2323233003312 |
5 | 100044314221 |
6 | 4514453050 |
7 | 1135211064 |
oct | 273570366 |
9 | 112538433 |
10 | 49213686 |
11 | 25863a75 |
12 | 14594186 |
13 | a271532 |
14 | 6771034 |
15 | 44c1c76 |
hex | 2eef0f6 |
49213686 has 24 divisors (see below), whose sum is σ = 103884984. Its totient is φ = 15540480.
The previous prime is 49213679. The next prime is 49213699. The reversal of 49213686 is 68631294.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9195 + ... + 13526.
It is an arithmetic number, because the mean of its divisors is an integer number (4328541).
Almost surely, 249213686 is an apocalyptic number.
49213686 is an abundant number, since it is smaller than the sum of its proper divisors (54671298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49213686 is a wasteful number, since it uses less digits than its factorization.
49213686 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22764 (or 22745 counting only the distinct ones).
The product of its digits is 62208, while the sum is 39.
The square root of 49213686 is about 7015.2466813363. The cubic root of 49213686 is about 366.4617332324.
The spelling of 49213686 in words is "forty-nine million, two hundred thirteen thousand, six hundred eighty-six".
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