Base | Representation |
---|---|
bin | 1100111100110… |
… | …0100011001101 |
3 | 10210012111110120 |
4 | 3033030203031 |
5 | 102401041323 |
6 | 5220055153 |
7 | 1226446251 |
oct | 317144315 |
9 | 123174416 |
10 | 54315213 |
11 | 28728907 |
12 | 162344b9 |
13 | b3395a4 |
14 | 72dc261 |
15 | 4b7d5e3 |
hex | 33cc8cd |
54315213 has 16 divisors (see below), whose sum is σ = 76640256. Its totient is φ = 34144880.
The previous prime is 54315199. The next prime is 54315227. The reversal of 54315213 is 31251345.
It is an interprime number because it is at equal distance from previous prime (54315199) and next prime (54315227).
It is not a de Polignac number, because 54315213 - 24 = 54315197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54315113) 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, 645 + ... + 10442.
It is an arithmetic number, because the mean of its divisors is an integer number (4790016).
Almost surely, 254315213 is an apocalyptic number.
It is an amenable number.
54315213 is a deficient number, since it is larger than the sum of its proper divisors (22325043).
54315213 is a wasteful number, since it uses less digits than its factorization.
54315213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11184.
The product of its digits is 1800, while the sum is 24.
The square root of 54315213 is about 7369.8855486364. The cubic root of 54315213 is about 378.7103394954.
Adding to 54315213 its reverse (31251345), we get a palindrome (85566558).
The spelling of 54315213 in words is "fifty-four million, three hundred fifteen thousand, two hundred thirteen".
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