Base | Representation |
---|---|
bin | 1101001001001… |
… | …0101111110101 |
3 | 10211201202001211 |
4 | 3102102233311 |
5 | 103103031104 |
6 | 5245321421 |
7 | 1236400126 |
oct | 322225765 |
9 | 124652054 |
10 | 55127029 |
11 | 29132831 |
12 | 16566271 |
13 | b561c59 |
14 | 747004d |
15 | 4c8de04 |
hex | 3492bf5 |
55127029 has 2 divisors, whose sum is σ = 55127030. Its totient is φ = 55127028.
The previous prime is 55126987. The next prime is 55127041. The reversal of 55127029 is 92072155.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 32182929 + 22944100 = 5673^2 + 4790^2 .
It is a cyclic number.
It is not a de Polignac number, because 55127029 - 27 = 55126901 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (55127129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27563514 + 27563515.
It is an arithmetic number, because the mean of its divisors is an integer number (27563515).
Almost surely, 255127029 is an apocalyptic number.
It is an amenable number.
55127029 is a deficient number, since it is larger than the sum of its proper divisors (1).
55127029 is an equidigital number, since it uses as much as digits as its factorization.
55127029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6300, while the sum is 31.
The square root of 55127029 is about 7424.7578411690. The cubic root of 55127029 is about 380.5877999007.
The spelling of 55127029 in words is "fifty-five million, one hundred twenty-seven thousand, twenty-nine".
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