Base | Representation |
---|---|
bin | 1011101100111… |
… | …1011111100101 |
3 | 10102100202010100 |
4 | 2323033133211 |
5 | 100031200024 |
6 | 4512014313 |
7 | 1134132114 |
oct | 273173745 |
9 | 112322110 |
10 | 49084389 |
11 | 25785912 |
12 | 14531399 |
13 | a227723 |
14 | 6739c7b |
15 | 44987c9 |
hex | 2ecf7e5 |
49084389 has 24 divisors (see below), whose sum is σ = 75335832. Its totient is φ = 30689280.
The previous prime is 49084381. The next prime is 49084393. The reversal of 49084389 is 98348094.
It is a happy number.
49084389 is a `hidden beast` number, since 490 + 84 + 3 + 89 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 13264164 + 35820225 = 3642^2 + 5985^2 .
It is not a de Polignac number, because 49084389 - 23 = 49084381 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49084381) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82477 + ... + 83069.
It is an arithmetic number, because the mean of its divisors is an integer number (3138993).
Almost surely, 249084389 is an apocalyptic number.
It is an amenable number.
49084389 is a deficient number, since it is larger than the sum of its proper divisors (26251443).
49084389 is a wasteful number, since it uses less digits than its factorization.
49084389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1157 (or 1154 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 49084389 is about 7006.0251926467. The cubic root of 49084389 is about 366.1405220511.
The spelling of 49084389 in words is "forty-nine million, eighty-four thousand, three hundred eighty-nine".
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