Base | Representation |
---|---|
bin | 1101000000000… |
… | …1010010101101 |
3 | 10210121110210202 |
4 | 3100001102231 |
5 | 102424444440 |
6 | 5224443245 |
7 | 1231336136 |
oct | 320012255 |
9 | 123543722 |
10 | 54531245 |
11 | 2886614a |
12 | 16319525 |
13 | b3b3a12 |
14 | 7356c8d |
15 | 4bc2615 |
hex | 34014ad |
54531245 has 4 divisors (see below), whose sum is σ = 65437500. Its totient is φ = 43624992.
The previous prime is 54531241. The next prime is 54531247. The reversal of 54531245 is 54213545.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 26853124 + 27678121 = 5182^2 + 5261^2 .
It is a cyclic number.
It is not a de Polignac number, because 54531245 - 22 = 54531241 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54531241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5453120 + ... + 5453129.
It is an arithmetic number, because the mean of its divisors is an integer number (16359375).
Almost surely, 254531245 is an apocalyptic number.
It is an amenable number.
54531245 is a deficient number, since it is larger than the sum of its proper divisors (10906255).
54531245 is a wasteful number, since it uses less digits than its factorization.
54531245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10906254.
The product of its digits is 12000, while the sum is 29.
The square root of 54531245 is about 7384.5274053253. The cubic root of 54531245 is about 379.2117663753.
The spelling of 54531245 in words is "fifty-four million, five hundred thirty-one thousand, two hundred forty-five".
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