Base | Representation |
---|---|
bin | 1100111101110… |
… | …0100111100101 |
3 | 10210022211202012 |
4 | 3033130213211 |
5 | 102410143104 |
6 | 5221324005 |
7 | 1230142163 |
oct | 317344745 |
9 | 123284665 |
10 | 54381029 |
11 | 287732aa |
12 | 16266605 |
13 | b360531 |
14 | 7318233 |
15 | 4b92d6e |
hex | 33dc9e5 |
54381029 has 2 divisors, whose sum is σ = 54381030. Its totient is φ = 54381028.
The previous prime is 54381001. The next prime is 54381053. The reversal of 54381029 is 92018345.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 51868804 + 2512225 = 7202^2 + 1585^2 .
It is a cyclic number.
It is not a de Polignac number, because 54381029 - 220 = 53332453 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 54380986 and 54381004.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54386029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27190514 + 27190515.
It is an arithmetic number, because the mean of its divisors is an integer number (27190515).
Almost surely, 254381029 is an apocalyptic number.
It is an amenable number.
54381029 is a deficient number, since it is larger than the sum of its proper divisors (1).
54381029 is an equidigital number, since it uses as much as digits as its factorization.
54381029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 54381029 is about 7374.3493950314. The cubic root of 54381029 is about 378.8632441020.
The spelling of 54381029 in words is "fifty-four million, three hundred eighty-one thousand, twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •