Base | Representation |
---|---|
bin | 1011110111011… |
… | …1001001000000 |
3 | 10110122122002001 |
4 | 2331313021000 |
5 | 100220133242 |
6 | 4534433344 |
7 | 1143022111 |
oct | 275671100 |
9 | 113578061 |
10 | 49771072 |
11 | 2610481a |
12 | 14802854 |
13 | a408150 |
14 | 6878208 |
15 | 4581eb7 |
hex | 2f77240 |
49771072 has 56 divisors (see below), whose sum is σ = 107305856. Its totient is φ = 22768128.
The previous prime is 49771061. The next prime is 49771097. The reversal of 49771072 is 27017794.
49771072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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 in 7 ways as a sum of consecutive naturals, for example, 135433 + ... + 135799.
It is an arithmetic number, because the mean of its divisors is an integer number (1916176).
Almost surely, 249771072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49771072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53652928).
49771072 is an abundant number, since it is smaller than the sum of its proper divisors (57534784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49771072 is a wasteful number, since it uses less digits than its factorization.
49771072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 555 (or 545 counting only the distinct ones).
The product of its (nonzero) digits is 24696, while the sum is 37.
The square root of 49771072 is about 7054.8615861688. The cubic root of 49771072 is about 367.8400375979.
The spelling of 49771072 in words is "forty-nine million, seven hundred seventy-one thousand, seventy-two".
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