Base | Representation |
---|---|
bin | 100000000100011… |
… | …100001000111101 |
3 | 1101111101222220221 |
4 | 200010130020331 |
5 | 2100214102444 |
6 | 125215541341 |
7 | 16222135300 |
oct | 4004341075 |
9 | 1344358827 |
10 | 538034749 |
11 | 25678551a |
12 | 13022a851 |
13 | 87611275 |
14 | 51656b37 |
15 | 3237ca84 |
hex | 2011c23d |
538034749 has 6 divisors (see below), whose sum is σ = 625877214. Its totient is φ = 461172600.
The previous prime is 538034741. The next prime is 538034771. The reversal of 538034749 is 947430835.
It can be written as a sum of positive squares in only one way, i.e., 294362649 + 243672100 = 17157^2 + 15610^2 .
It is not a de Polignac number, because 538034749 - 23 = 538034741 is a prime.
It is a super-2 number, since 2×5380347492 = 578962782262986002, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (538034741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5490102 + ... + 5490199.
It is an arithmetic number, because the mean of its divisors is an integer number (104312869).
Almost surely, 2538034749 is an apocalyptic number.
It is an amenable number.
538034749 is a deficient number, since it is larger than the sum of its proper divisors (87842465).
538034749 is a wasteful number, since it uses less digits than its factorization.
538034749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10980315 (or 10980308 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 43.
The square root of 538034749 is about 23195.5760652759. The cubic root of 538034749 is about 813.3362115630.
The spelling of 538034749 in words is "five hundred thirty-eight million, thirty-four thousand, seven hundred forty-nine".
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