Base | Representation |
---|---|
bin | 111010010001… |
… | …0010000111101 |
3 | 2010111001102102 |
4 | 1310202100331 |
5 | 30310032203 |
6 | 3010434445 |
7 | 520443203 |
oct | 164422075 |
9 | 63431372 |
10 | 30549053 |
11 | 16275a57 |
12 | a292a25 |
13 | 6437b82 |
14 | 40b3073 |
15 | 2a36888 |
hex | 1d2243d |
30549053 has 2 divisors, whose sum is σ = 30549054. Its totient is φ = 30549052.
The previous prime is 30549047. The next prime is 30549061. The reversal of 30549053 is 35094503.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 24970009 + 5579044 = 4997^2 + 2362^2 .
It is a cyclic number.
It is not a de Polignac number, because 30549053 - 26 = 30548989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30549553) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15274526 + 15274527.
It is an arithmetic number, because the mean of its divisors is an integer number (15274527).
Almost surely, 230549053 is an apocalyptic number.
It is an amenable number.
30549053 is a deficient number, since it is larger than the sum of its proper divisors (1).
30549053 is an equidigital number, since it uses as much as digits as its factorization.
30549053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8100, while the sum is 29.
The square root of 30549053 is about 5527.1197743490. The cubic root of 30549053 is about 312.6073973264.
The spelling of 30549053 in words is "thirty million, five hundred forty-nine thousand, fifty-three".
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