Base | Representation |
---|---|
bin | 1011110001101… |
… | …0100010000000 |
3 | 10102221100201212 |
4 | 2330122202000 |
5 | 100121013434 |
6 | 4522345252 |
7 | 1136552153 |
oct | 274324200 |
9 | 112840655 |
10 | 49391744 |
11 | 25975826 |
12 | 1465b228 |
13 | a3045ac |
14 | 67b9c9a |
15 | 45098ce |
hex | 2f1a880 |
49391744 has 32 divisors (see below), whose sum is σ = 101066700. Its totient is φ = 24026112.
The previous prime is 49391737. The next prime is 49391779. The reversal of 49391744 is 44719394.
It can be written as a sum of positive squares in 2 ways, for example, as 34951744 + 14440000 = 5912^2 + 3800^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479 + ... + 9950.
Almost surely, 249391744 is an apocalyptic number.
It is an amenable number.
49391744 is an abundant number, since it is smaller than the sum of its proper divisors (51674956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49391744 is a wasteful number, since it uses less digits than its factorization.
49391744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10480 (or 10468 counting only the distinct ones).
The product of its digits is 108864, while the sum is 41.
The square root of 49391744 is about 7027.9260098553. The cubic root of 49391744 is about 366.9031612976.
The spelling of 49391744 in words is "forty-nine million, three hundred ninety-one thousand, seven hundred forty-four".
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