Base | Representation |
---|---|
bin | 1101000011010… |
… | …0011001000101 |
3 | 10211000002220202 |
4 | 3100310121011 |
5 | 103003144144 |
6 | 5233140245 |
7 | 1233200303 |
oct | 320643105 |
9 | 124002822 |
10 | 54740549 |
11 | 28999426 |
12 | 163ba685 |
13 | b458076 |
14 | 73ad273 |
15 | 4c1464e |
hex | 3434645 |
54740549 has 2 divisors, whose sum is σ = 54740550. Its totient is φ = 54740548.
The previous prime is 54740537. The next prime is 54740551. The reversal of 54740549 is 94504745.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54656449 + 84100 = 7393^2 + 290^2 .
It is a cyclic number.
It is not a de Polignac number, because 54740549 - 24 = 54740533 is a prime.
Together with 54740551, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54740509) 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 as a sum of consecutive naturals, namely, 27370274 + 27370275.
It is an arithmetic number, because the mean of its divisors is an integer number (27370275).
Almost surely, 254740549 is an apocalyptic number.
It is an amenable number.
54740549 is a deficient number, since it is larger than the sum of its proper divisors (1).
54740549 is an equidigital number, since it uses as much as digits as its factorization.
54740549 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 100800, while the sum is 38.
The square root of 54740549 is about 7398.6856265150. The cubic root of 54740549 is about 379.6963155410.
The spelling of 54740549 in words is "fifty-four million, seven hundred forty thousand, five hundred forty-nine".
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