Base | Representation |
---|---|
bin | 1100111101010… |
… | …0110001000101 |
3 | 10210021012122002 |
4 | 3033110301011 |
5 | 102403130434 |
6 | 5220515045 |
7 | 1226646341 |
oct | 317246105 |
9 | 123235562 |
10 | 54348869 |
11 | 28751123 |
12 | 1624ba85 |
13 | b34b9c3 |
14 | 730a621 |
15 | 4b8857e |
hex | 33d4c45 |
54348869 has 2 divisors, whose sum is σ = 54348870. Its totient is φ = 54348868.
The previous prime is 54348803. The next prime is 54348901. The reversal of 54348869 is 96884345.
54348869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 39526369 + 14822500 = 6287^2 + 3850^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54348869 is a prime.
It is a super-2 number, since 2×543488692 = 5907599123158322, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen 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 (54348769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27174434 + 27174435.
It is an arithmetic number, because the mean of its divisors is an integer number (27174435).
Almost surely, 254348869 is an apocalyptic number.
It is an amenable number.
54348869 is a deficient number, since it is larger than the sum of its proper divisors (1).
54348869 is an equidigital number, since it uses as much as digits as its factorization.
54348869 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 829440, while the sum is 47.
The square root of 54348869 is about 7372.1685412096. The cubic root of 54348869 is about 378.7885449849.
The spelling of 54348869 in words is "fifty-four million, three hundred forty-eight thousand, eight hundred sixty-nine".
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