Base | Representation |
---|---|
bin | 1100110110010… |
… | …0011110010001 |
3 | 10202101211200200 |
4 | 3031210132101 |
5 | 102243421123 |
6 | 5203005413 |
7 | 1223022351 |
oct | 315443621 |
9 | 122354620 |
10 | 53888913 |
11 | 284675a1 |
12 | 16069869 |
13 | b21a540 |
14 | 722ab61 |
15 | 4ae7143 |
hex | 3364791 |
53888913 has 12 divisors (see below), whose sum is σ = 83827380. Its totient is φ = 33162336.
The previous prime is 53888903. The next prime is 53888927. The reversal of 53888913 is 31988835.
53888913 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 3932289 + 49956624 = 1983^2 + 7068^2 .
It is not a de Polignac number, because 53888913 - 213 = 53880721 is a prime.
It is not an unprimeable number, because it can be changed into a prime (53888903) 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 in 11 ways as a sum of consecutive naturals, for example, 230178 + ... + 230411.
It is an arithmetic number, because the mean of its divisors is an integer number (6985615).
Almost surely, 253888913 is an apocalyptic number.
It is an amenable number.
53888913 is a deficient number, since it is larger than the sum of its proper divisors (29938467).
53888913 is a wasteful number, since it uses less digits than its factorization.
53888913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 460608 (or 460605 counting only the distinct ones).
The product of its digits is 207360, while the sum is 45.
The square root of 53888913 is about 7340.9068240920. The cubic root of 53888913 is about 377.7169502763.
The spelling of 53888913 in words is "fifty-three million, eight hundred eighty-eight thousand, nine hundred thirteen".
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