Base | Representation |
---|---|
bin | 1100111011011… |
… | …1110110000101 |
3 | 10210001012010112 |
4 | 3032313312011 |
5 | 102340333110 |
6 | 5214202405 |
7 | 1225644065 |
oct | 316676605 |
9 | 123035115 |
10 | 54230405 |
11 | 28680119 |
12 | 161b3405 |
13 | b309ac8 |
14 | 72b93a5 |
15 | 4b63405 |
hex | 33b7d85 |
54230405 has 4 divisors (see below), whose sum is σ = 65076492. Its totient is φ = 43384320.
The previous prime is 54230401. The next prime is 54230453. The reversal of 54230405 is 50403245.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50403245 = 5 ⋅10080649.
It can be written as a sum of positive squares in 2 ways, for example, as 7540516 + 46689889 = 2746^2 + 6833^2 .
It is not a de Polignac number, because 54230405 - 22 = 54230401 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 (54230401) 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, 5423036 + ... + 5423045.
It is an arithmetic number, because the mean of its divisors is an integer number (16269123).
Almost surely, 254230405 is an apocalyptic number.
It is an amenable number.
54230405 is a deficient number, since it is larger than the sum of its proper divisors (10846087).
54230405 is a wasteful number, since it uses less digits than its factorization.
54230405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10846086.
The product of its (nonzero) digits is 2400, while the sum is 23.
The square root of 54230405 is about 7364.1296159152. The cubic root of 54230405 is about 378.5131301843.
The spelling of 54230405 in words is "fifty-four million, two hundred thirty thousand, four hundred five".
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