Base | Representation |
---|---|
bin | 1011101100000… |
… | …0001111100101 |
3 | 10102020120102212 |
4 | 2323000033211 |
5 | 100022200200 |
6 | 4510413205 |
7 | 1133452031 |
oct | 273001745 |
9 | 112216385 |
10 | 49021925 |
11 | 25742997 |
12 | 14501205 |
13 | a205174 |
14 | 67211c1 |
15 | 4485035 |
hex | 2ec03e5 |
49021925 has 6 divisors (see below), whose sum is σ = 60787218. Its totient is φ = 39217520.
The previous prime is 49021891. The next prime is 49021939. The reversal of 49021925 is 52912094.
49021925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 343396 + 48678529 = 586^2 + 6977^2 .
It is not a de Polignac number, because 49021925 - 210 = 49020901 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 49021891 and 49021900.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 980414 + ... + 980463.
It is an arithmetic number, because the mean of its divisors is an integer number (10131203).
Almost surely, 249021925 is an apocalyptic number.
It is an amenable number.
49021925 is a deficient number, since it is larger than the sum of its proper divisors (11765293).
49021925 is a wasteful number, since it uses less digits than its factorization.
49021925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1960887 (or 1960882 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 49021925 is about 7001.5658962835. The cubic root of 49021925 is about 365.9851412842.
The spelling of 49021925 in words is "forty-nine million, twenty-one thousand, nine hundred twenty-five".
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