| Base | Representation |
|---|---|
| bin | 1011110110101… |
| … | …0000111100000 |
| 3 | 10110112220220100 |
| 4 | 2331222013200 |
| 5 | 100211431403 |
| 6 | 4533342400 |
| 7 | 1142410434 |
| oct | 275520740 |
| 9 | 113486810 |
| 10 | 49717728 |
| 11 | 26078735 |
| 12 | 14797a00 |
| 13 | a3b9a98 |
| 14 | 68629c4 |
| 15 | 45712a3 |
| hex | 2f6a1e0 |
49717728 has 72 divisors (see below), whose sum is σ = 144432288. Its totient is φ = 16215552.
The previous prime is 49717721. The next prime is 49717739. The reversal of 49717728 is 82771794.
It is a happy number.
49717728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (72).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49717721) 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 in 11 ways as a sum of consecutive naturals, for example, 11700 + ... + 15372.
It is an arithmetic number, because the mean of its divisors is an integer number (2006004).
Almost surely, 249717728 is an apocalyptic number.
49717728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49717728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72216144).
49717728 is an abundant number, since it is smaller than the sum of its proper divisors (94714560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49717728 is a wasteful number, since it uses less digits than its factorization.
49717728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3736 (or 3725 counting only the distinct ones).
The product of its digits is 197568, while the sum is 45.
The square root of 49717728 is about 7051.0799172893. The cubic root of 49717728 is about 367.7085752003.
It can be divided in two parts, 497 and 17728, that added together give a square (18225 = 1352).
The spelling of 49717728 in words is "forty-nine million, seven hundred seventeen thousand, seven hundred twenty-eight".
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