Base | Representation |
---|---|
bin | 1100101010010… |
… | …1001100101111 |
3 | 10200221000222201 |
4 | 3022211030233 |
5 | 102043333310 |
6 | 5134122331 |
7 | 1213250254 |
oct | 312451457 |
9 | 120830881 |
10 | 53105455 |
11 | 27a81a07 |
12 | 159503a7 |
13 | b004a60 |
14 | 70a542b |
15 | 49dee3a |
hex | 32a532f |
53105455 has 16 divisors (see below), whose sum is σ = 70305984. Its totient is φ = 38257920.
The previous prime is 53105453. The next prime is 53105477. The reversal of 53105455 is 55450135.
It is not a de Polignac number, because 53105455 - 21 = 53105453 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53105453) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7299 + ... + 12628.
It is an arithmetic number, because the mean of its divisors is an integer number (4394124).
Almost surely, 253105455 is an apocalyptic number.
53105455 is a deficient number, since it is larger than the sum of its proper divisors (17200529).
53105455 is a wasteful number, since it uses less digits than its factorization.
53105455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19986.
The product of its (nonzero) digits is 7500, while the sum is 28.
The square root of 53105455 is about 7287.3489692755. The cubic root of 53105455 is about 375.8775418891.
The spelling of 53105455 in words is "fifty-three million, one hundred five thousand, four hundred fifty-five".
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