Base | Representation |
---|---|
bin | 1011111001010… |
… | …0001100000000 |
3 | 10110212200021120 |
4 | 2332110030000 |
5 | 100232440143 |
6 | 4541152240 |
7 | 1144026015 |
oct | 276241400 |
9 | 113780246 |
10 | 49890048 |
11 | 2618614a |
12 | 1485b680 |
13 | a44a350 |
14 | 68a970c |
15 | 45a7383 |
hex | 2f94300 |
49890048 has 144 divisors (see below), whose sum is σ = 151092480. Its totient is φ = 14487552.
The previous prime is 49890037. The next prime is 49890073. The reversal of 49890048 is 84009894.
It is a junction number, because it is equal to n+sod(n) for n = 49889991 and 49890009.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189565 + ... + 189827.
Almost surely, 249890048 is an apocalyptic number.
49890048 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 49890048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75546240).
49890048 is an abundant number, since it is smaller than the sum of its proper divisors (101202432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49890048 is a wasteful number, since it uses less digits than its factorization.
49890048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 314 (or 300 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 42.
The square root of 49890048 is about 7063.2887524155. The cubic root of 49890048 is about 368.1329072548.
The spelling of 49890048 in words is "forty-nine million, eight hundred ninety thousand, forty-eight".
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