Base | Representation |
---|---|
bin | 100000101111000… |
… | …001010011101111 |
3 | 1102021102002201002 |
4 | 200233001103233 |
5 | 2111043301124 |
6 | 130255110515 |
7 | 16416045356 |
oct | 4057012357 |
9 | 1367362632 |
10 | 549197039 |
11 | 262009956 |
12 | 133b1243b |
13 | 89a1bb81 |
14 | 52d2099d |
15 | 333350ae |
hex | 20bc14ef |
549197039 has 4 divisors (see below), whose sum is σ = 549250560. Its totient is φ = 549143520.
The previous prime is 549197027. The next prime is 549197083. The reversal of 549197039 is 930791945.
549197039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 549197039 - 228 = 280761583 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 549196984 and 549197002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (549197639) 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, 5999 + ... + 33680.
It is an arithmetic number, because the mean of its divisors is an integer number (137312640).
Almost surely, 2549197039 is an apocalyptic number.
549197039 is a deficient number, since it is larger than the sum of its proper divisors (53521).
549197039 is a wasteful number, since it uses less digits than its factorization.
549197039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53520.
The product of its (nonzero) digits is 306180, while the sum is 47.
The square root of 549197039 is about 23434.9533603120. The cubic root of 549197039 is about 818.9223594244.
The spelling of 549197039 in words is "five hundred forty-nine million, one hundred ninety-seven thousand, thirty-nine".
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