Base | Representation |
---|---|
bin | 1100110100110… |
… | …0001101110101 |
3 | 10202012210101211 |
4 | 3031030031311 |
5 | 102232231212 |
6 | 5200521421 |
7 | 1222126603 |
oct | 315141565 |
9 | 122183354 |
10 | 53789557 |
11 | 283a9988 |
12 | 16020271 |
13 | b1b4253 |
14 | 7202873 |
15 | 4ac79a7 |
hex | 334c375 |
53789557 has 8 divisors (see below), whose sum is σ = 55630080. Its totient is φ = 51955680.
The previous prime is 53789537. The next prime is 53789563. The reversal of 53789557 is 75598735.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 53789557 - 215 = 53756789 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 53789557.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53789537) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19113 + ... + 21745.
It is an arithmetic number, because the mean of its divisors is an integer number (6953760).
Almost surely, 253789557 is an apocalyptic number.
It is an amenable number.
53789557 is a deficient number, since it is larger than the sum of its proper divisors (1840523).
53789557 is a wasteful number, since it uses less digits than its factorization.
53789557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3323.
The product of its digits is 1323000, while the sum is 49.
The square root of 53789557 is about 7334.1364181477. The cubic root of 53789557 is about 377.4846728569.
The spelling of 53789557 in words is "fifty-three million, seven hundred eighty-nine thousand, five hundred fifty-seven".
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