Base | Representation |
---|---|
bin | 1100111010001… |
… | …1011111010101 |
3 | 10202212221202112 |
4 | 3032203133111 |
5 | 102330201104 |
6 | 5212320405 |
7 | 1225146026 |
oct | 316433725 |
9 | 122787675 |
10 | 54147029 |
11 | 28623512 |
12 | 16173105 |
13 | b2aab81 |
14 | 7296c4d |
15 | 4b4886e |
hex | 33a37d5 |
54147029 has 4 divisors (see below), whose sum is σ = 54653184. Its totient is φ = 53640876.
The previous prime is 54147013. The next prime is 54147059. The reversal of 54147029 is 92074145.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92074145 = 5 ⋅18414829.
It is a cyclic number.
It is not a de Polignac number, because 54147029 - 24 = 54147013 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 54146986 and 54147004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54147059) 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, 252917 + ... + 253130.
It is an arithmetic number, because the mean of its divisors is an integer number (13663296).
Almost surely, 254147029 is an apocalyptic number.
It is an amenable number.
54147029 is a deficient number, since it is larger than the sum of its proper divisors (506155).
54147029 is a wasteful number, since it uses less digits than its factorization.
54147029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 506154.
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 54147029 is about 7358.4664842615. The cubic root of 54147029 is about 378.3190502650.
The spelling of 54147029 in words is "fifty-four million, one hundred forty-seven thousand, twenty-nine".
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