Base | Representation |
---|---|
bin | 1100101010011… |
… | …1110101010101 |
3 | 10200221120210100 |
4 | 3022213311111 |
5 | 102044204440 |
6 | 5134244313 |
7 | 1213323600 |
oct | 312476525 |
9 | 120846710 |
10 | 53116245 |
11 | 27a8a026 |
12 | 15956699 |
13 | b009940 |
14 | 70a9337 |
15 | 49e3230 |
hex | 32a7d55 |
53116245 has 144 divisors (see below), whose sum is σ = 123243120. Its totient is φ = 20901888.
The previous prime is 53116243. The next prime is 53116247. The reversal of 53116245 is 54261135.
53116245 is a `hidden beast` number, since 5 + 31 + 1 + 624 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (53116243) and next prime (53116247).
It can be written as a sum of positive squares in 8 ways, for example, as 15876 + 53100369 = 126^2 + 7287^2 .
It is not a de Polignac number, because 53116245 - 21 = 53116243 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53116241) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 487251 + ... + 487359.
It is an arithmetic number, because the mean of its divisors is an integer number (855855).
Almost surely, 253116245 is an apocalyptic number.
It is an amenable number.
53116245 is an abundant number, since it is smaller than the sum of its proper divisors (70126875).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53116245 is a wasteful number, since it uses less digits than its factorization.
53116245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164 (or 154 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 53116245 is about 7288.0892557652. The cubic root of 53116245 is about 375.9029971776.
It can be divided in two parts, 53116 and 245, that added together give a square (53361 = 2312).
The spelling of 53116245 in words is "fifty-three million, one hundred sixteen thousand, two hundred forty-five".
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