Base | Representation |
---|---|
bin | 1100111001110… |
… | …0111111011101 |
3 | 10202211121020202 |
4 | 3032130333131 |
5 | 102323323123 |
6 | 5211553245 |
7 | 1225005314 |
oct | 316347735 |
9 | 122747222 |
10 | 54120413 |
11 | 28605516 |
12 | 1615b825 |
13 | b29ba19 |
14 | 728b27b |
15 | 4b40a28 |
hex | 339cfdd |
54120413 has 2 divisors, whose sum is σ = 54120414. Its totient is φ = 54120412.
The previous prime is 54120397. The next prime is 54120427. The reversal of 54120413 is 31402145.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28334329 + 25786084 = 5323^2 + 5078^2 .
It is a cyclic number.
It is not a de Polignac number, because 54120413 - 24 = 54120397 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54120013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27060206 + 27060207.
It is an arithmetic number, because the mean of its divisors is an integer number (27060207).
Almost surely, 254120413 is an apocalyptic number.
It is an amenable number.
54120413 is a deficient number, since it is larger than the sum of its proper divisors (1).
54120413 is an equidigital number, since it uses as much as digits as its factorization.
54120413 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 54120413 is about 7356.6577329654. The cubic root of 54120413 is about 378.2570524642.
Adding to 54120413 its reverse (31402145), we get a palindrome (85522558).
The spelling of 54120413 in words is "fifty-four million, one hundred twenty thousand, four hundred thirteen".
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