Base | Representation |
---|---|
bin | 1011110111100… |
… | …0100011110000 |
3 | 10110122221001011 |
4 | 2331320203300 |
5 | 100220330010 |
6 | 4534520304 |
7 | 1143045046 |
oct | 275704360 |
9 | 113587034 |
10 | 49776880 |
11 | 2610911a |
12 | 14806094 |
13 | a40a99a |
14 | 687a396 |
15 | 4583a8a |
hex | 2f788f0 |
49776880 has 40 divisors (see below), whose sum is σ = 116055072. Its totient is φ = 19855104.
The previous prime is 49776821. The next prime is 49776887. The reversal of 49776880 is 8867794.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49776887) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39622 + ... + 40858.
Almost surely, 249776880 is an apocalyptic number.
49776880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49776880 is an abundant number, since it is smaller than the sum of its proper divisors (66278192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49776880 is a wasteful number, since it uses less digits than its factorization.
49776880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1753 (or 1747 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 49.
The square root of 49776880 is about 7055.2732051991. The cubic root of 49776880 is about 367.8543453189.
It can be divided in two parts, 497 and 76880, that added together give a palindrome (77377).
The spelling of 49776880 in words is "forty-nine million, seven hundred seventy-six thousand, eight hundred eighty".
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