Base | Representation |
---|---|
bin | 1011110000000… |
… | …1001010000000 |
3 | 10102202002011101 |
4 | 2330001022000 |
5 | 100104202213 |
6 | 4520224144 |
7 | 1135640143 |
oct | 274011200 |
9 | 112662141 |
10 | 49287808 |
11 | 25904729 |
12 | 1460b054 |
13 | a2991ab |
14 | 679005a |
15 | 44d8bdd |
hex | 2f01280 |
49287808 has 32 divisors (see below), whose sum is σ = 98532000. Its totient is φ = 24558336.
The previous prime is 49287803. The next prime is 49287851. The reversal of 49287808 is 80878294.
It is a tau number, because it is divible by the number of its divisors (32).
It is not an unprimeable number, because it can be changed into a prime (49287803) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53173 + ... + 54091.
It is an arithmetic number, because the mean of its divisors is an integer number (3079125).
Almost surely, 249287808 is an apocalyptic number.
It is an amenable number.
49287808 is a deficient number, since it is larger than the sum of its proper divisors (49244192).
49287808 is an equidigital number, since it uses as much as digits as its factorization.
49287808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1352 (or 1340 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 46.
The square root of 49287808 is about 7020.5276155001. The cubic root of 49287808 is about 366.6456200959.
The spelling of 49287808 in words is "forty-nine million, two hundred eighty-seven thousand, eight hundred eight".
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