Base | Representation |
---|---|
bin | 1011110001100… |
… | …0010101000000 |
3 | 10102220220100122 |
4 | 2330120111000 |
5 | 100120221340 |
6 | 4522235412 |
7 | 1136513642 |
oct | 274302500 |
9 | 112826318 |
10 | 49382720 |
11 | 25969a72 |
12 | 14655b68 |
13 | a30045a |
14 | 67b6892 |
15 | 4506db5 |
hex | 2f18540 |
49382720 has 28 divisors (see below), whose sum is σ = 117593364. Its totient is φ = 19752960.
The previous prime is 49382713. The next prime is 49382741. The reversal of 49382720 is 2728394.
It can be written as a sum of positive squares in 2 ways, for example, as 9339136 + 40043584 = 3056^2 + 6328^2 .
It is a congruent number.
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, 76841 + ... + 77480.
It is an arithmetic number, because the mean of its divisors is an integer number (4199763).
Almost surely, 249382720 is an apocalyptic number.
49382720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49382720 is an abundant number, since it is smaller than the sum of its proper divisors (68210644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49382720 is a wasteful number, since it uses less digits than its factorization.
49382720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154338 (or 154328 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 49382720 is about 7027.2839703544. The cubic root of 49382720 is about 366.8808152162.
The spelling of 49382720 in words is "forty-nine million, three hundred eighty-two thousand, seven hundred twenty".
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