Base | Representation |
---|---|
bin | 1100101101011… |
… | …0010001011001 |
3 | 10201022020201020 |
4 | 3023112101121 |
5 | 102121301312 |
6 | 5142313053 |
7 | 1215045261 |
oct | 313262131 |
9 | 121266636 |
10 | 53306457 |
11 | 280a9a26 |
12 | 15a28789 |
13 | b0753a9 |
14 | 71187a1 |
15 | 4a2e78c |
hex | 32d6459 |
53306457 has 8 divisors (see below), whose sum is σ = 74816160. Its totient is φ = 33667200.
The previous prime is 53306443. The next prime is 53306467. The reversal of 53306457 is 75460335.
53306457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 53306457 - 210 = 53305433 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (53306417) 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 7 ways as a sum of consecutive naturals, for example, 467544 + ... + 467657.
It is an arithmetic number, because the mean of its divisors is an integer number (9352020).
Almost surely, 253306457 is an apocalyptic number.
53306457 is a gapful number since it is divisible by the number (57) formed by its first and last digit.
It is an amenable number.
53306457 is a deficient number, since it is larger than the sum of its proper divisors (21509703).
53306457 is a wasteful number, since it uses less digits than its factorization.
53306457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 935223.
The product of its (nonzero) digits is 37800, while the sum is 33.
The square root of 53306457 is about 7301.1271047695. The cubic root of 53306457 is about 376.3511719334.
The spelling of 53306457 in words is "fifty-three million, three hundred six thousand, four hundred fifty-seven".
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