Base | Representation |
---|---|
bin | 1100111000000… |
… | …1000011110101 |
3 | 10202121210022102 |
4 | 3032001003311 |
5 | 102311143010 |
6 | 5205311445 |
7 | 1224020624 |
oct | 316010365 |
9 | 122553272 |
10 | 54006005 |
11 | 28537569 |
12 | 16105585 |
13 | b25b921 |
14 | 725b6bb |
15 | 4b1bba5 |
hex | 33810f5 |
54006005 has 8 divisors (see below), whose sum is σ = 64995000. Its totient is φ = 43079616.
The previous prime is 54005971. The next prime is 54006019. The reversal of 54006005 is 50060045.
It can be written as a sum of positive squares in 4 ways, for example, as 24216241 + 29789764 = 4921^2 + 5458^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54006005 - 210 = 54004981 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13730 + ... + 17219.
It is an arithmetic number, because the mean of its divisors is an integer number (8124375).
Almost surely, 254006005 is an apocalyptic number.
It is an amenable number.
54006005 is a deficient number, since it is larger than the sum of its proper divisors (10988995).
54006005 is a wasteful number, since it uses less digits than its factorization.
54006005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31303.
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 54006005 is about 7348.8778054884. The cubic root of 54006005 is about 377.9903252379.
The spelling of 54006005 in words is "fifty-four million, six thousand, five".
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