Base | Representation |
---|---|
bin | 1101010100101… |
… | …0010111100101 |
3 | 10220010221202211 |
4 | 3111022113211 |
5 | 103301113031 |
6 | 5313403421 |
7 | 1245651643 |
oct | 325122745 |
9 | 126127684 |
10 | 55879141 |
11 | 295a690a |
12 | 16869571 |
13 | b7663a6 |
14 | 75c8193 |
15 | 4d8bbb1 |
hex | 354a5e5 |
55879141 has 2 divisors, whose sum is σ = 55879142. Its totient is φ = 55879140.
The previous prime is 55879123. The next prime is 55879157. The reversal of 55879141 is 14197855.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 36650916 + 19228225 = 6054^2 + 4385^2 .
It is a cyclic number.
It is not a de Polignac number, because 55879141 - 211 = 55877093 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 55879094 and 55879103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (55871141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27939570 + 27939571.
It is an arithmetic number, because the mean of its divisors is an integer number (27939571).
Almost surely, 255879141 is an apocalyptic number.
It is an amenable number.
55879141 is a deficient number, since it is larger than the sum of its proper divisors (1).
55879141 is an equidigital number, since it uses as much as digits as its factorization.
55879141 is an evil number, because the sum of its binary digits is even.
The product of its digits is 50400, while the sum is 40.
The square root of 55879141 is about 7475.2351802468. The cubic root of 55879141 is about 382.3108062320.
The spelling of 55879141 in words is "fifty-five million, eight hundred seventy-nine thousand, one hundred forty-one".
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