Base | Representation |
---|---|
bin | 1011110111111… |
… | …0101001110100 |
3 | 10110201012021202 |
4 | 2331332221310 |
5 | 100222124334 |
6 | 4535232032 |
7 | 1143210611 |
oct | 275765164 |
9 | 113635252 |
10 | 49801844 |
11 | 26125954 |
12 | 14818618 |
13 | a419161 |
14 | 6885508 |
15 | 458b17e |
hex | 2f7ea74 |
49801844 has 12 divisors (see below), whose sum is σ = 87282468. Its totient is φ = 24864000.
The previous prime is 49801799. The next prime is 49801883. The reversal of 49801844 is 44810894.
It can be written as a sum of positive squares in 2 ways, for example, as 31225744 + 18576100 = 5588^2 + 4310^2 .
It is a junction number, because it is equal to n+sod(n) for n = 49801798 and 49801807.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077 + ... + 11684.
It is an arithmetic number, because the mean of its divisors is an integer number (7273539).
Almost surely, 249801844 is an apocalyptic number.
It is an amenable number.
49801844 is a deficient number, since it is larger than the sum of its proper divisors (37480624).
49801844 is a wasteful number, since it uses less digits than its factorization.
49801844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18466 (or 18464 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 38.
The square root of 49801844 is about 7057.0421565979. The cubic root of 49801844 is about 367.9158302301.
The spelling of 49801844 in words is "forty-nine million, eight hundred one thousand, eight hundred forty-four".
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