Base | Representation |
---|---|
bin | 1101001010101… |
… | …1111001011111 |
3 | 10211220222101022 |
4 | 3102223321133 |
5 | 103114330142 |
6 | 5251434355 |
7 | 1240306355 |
oct | 322537137 |
9 | 124828338 |
10 | 55230047 |
11 | 291a3174 |
12 | 165b59bb |
13 | b599b02 |
14 | 74997d5 |
15 | 4cae6d2 |
hex | 34abe5f |
55230047 has 2 divisors, whose sum is σ = 55230048. Its totient is φ = 55230046.
The previous prime is 55230041. The next prime is 55230053. The reversal of 55230047 is 74003255.
It is a balanced prime because it is at equal distance from previous prime (55230041) and next prime (55230053).
It is a cyclic number.
It is not a de Polignac number, because 55230047 - 28 = 55229791 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 55229998 and 55230025.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (55230041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27615023 + 27615024.
It is an arithmetic number, because the mean of its divisors is an integer number (27615024).
Almost surely, 255230047 is an apocalyptic number.
55230047 is a deficient number, since it is larger than the sum of its proper divisors (1).
55230047 is an equidigital number, since it uses as much as digits as its factorization.
55230047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4200, while the sum is 26.
The square root of 55230047 is about 7431.6920684323. The cubic root of 55230047 is about 380.8247253993.
The spelling of 55230047 in words is "fifty-five million, two hundred thirty thousand, forty-seven".
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