| Base | Representation |
|---|---|
| bin | 1100110000001… |
| … | …0111011101001 |
| 3 | 10201122112122100 |
| 4 | 3030002323221 |
| 5 | 102143130020 |
| 6 | 5150244013 |
| 7 | 1216436505 |
| oct | 314027351 |
| 9 | 121575570 |
| 10 | 53489385 |
| 11 | 28214404 |
| 12 | 15ab6609 |
| 13 | b10a731 |
| 14 | 7165305 |
| 15 | 4a68a90 |
| hex | 3302ee9 |
53489385 has 12 divisors (see below), whose sum is σ = 92715012. Its totient is φ = 28527648.
The previous prime is 53489339. The next prime is 53489411. The reversal of 53489385 is 58398435.
It is a happy number.
53489385 is a `hidden beast` number, since 534 + 89 + 38 + 5 = 666.
53489385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 35748441 + 17740944 = 5979^2 + 4212^2 .
It is not a de Polignac number, because 53489385 - 27 = 53489257 is a prime.
It is a super-2 number, since 2×534893852 = 5722228615356450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1188653 = 53489385 / (5 + 3 + 4 + 8 + 9 + 3 + 8 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 53489385.
It is an unprimeable number.
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 in 11 ways as a sum of consecutive naturals, for example, 594282 + ... + 594371.
It is an arithmetic number, because the mean of its divisors is an integer number (7726251).
Almost surely, 253489385 is an apocalyptic number.
It is an amenable number.
53489385 is a deficient number, since it is larger than the sum of its proper divisors (39225627).
53489385 is a wasteful number, since it uses less digits than its factorization.
53489385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1188664 (or 1188661 counting only the distinct ones).
The product of its digits is 518400, while the sum is 45.
The square root of 53489385 is about 7313.6437567057. The cubic root of 53489385 is about 376.7811796691.
The spelling of 53489385 in words is "fifty-three million, four hundred eighty-nine thousand, three hundred eighty-five".
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