Base | Representation |
---|---|
bin | 1100111001110… |
… | …1111111100001 |
3 | 10202211210212121 |
4 | 3032131333201 |
5 | 102323441023 |
6 | 5212024241 |
7 | 1225023262 |
oct | 316357741 |
9 | 122753777 |
10 | 54124513 |
11 | 28608603 |
12 | 16162081 |
13 | b2a0851 |
14 | 728c969 |
15 | 4b41d5d |
hex | 339dfe1 |
54124513 has 2 divisors, whose sum is σ = 54124514. Its totient is φ = 54124512.
The previous prime is 54124489. The next prime is 54124517. The reversal of 54124513 is 31542145.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 53100369 + 1024144 = 7287^2 + 1012^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54124513 is a prime.
It is equal to p3233185 and since 54124513 and 3233185 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (54124517) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27062256 + 27062257.
It is an arithmetic number, because the mean of its divisors is an integer number (27062257).
Almost surely, 254124513 is an apocalyptic number.
It is an amenable number.
54124513 is a deficient number, since it is larger than the sum of its proper divisors (1).
54124513 is an equidigital number, since it uses as much as digits as its factorization.
54124513 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2400, while the sum is 25.
The square root of 54124513 is about 7356.9363868393. The cubic root of 54124513 is about 378.2666040958.
Adding to 54124513 its reverse (31542145), we get a palindrome (85666658).
The spelling of 54124513 in words is "fifty-four million, one hundred twenty-four thousand, five hundred thirteen".
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