Base | Representation |
---|---|
bin | 1100111011101… |
… | …0101011010101 |
3 | 10210001210001011 |
4 | 3032322223111 |
5 | 102341221010 |
6 | 5214332221 |
7 | 1226022646 |
oct | 316725325 |
9 | 123053034 |
10 | 54242005 |
11 | 28688904 |
12 | 161ba071 |
13 | b31217c |
14 | 72bd6cd |
15 | 4b66a8a |
hex | 33baad5 |
54242005 has 8 divisors (see below), whose sum is σ = 65332224. Its totient is φ = 43232400.
The previous prime is 54242003. The next prime is 54242021. The reversal of 54242005 is 50024245.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54242005 - 21 = 54242003 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54242003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18661 + ... + 21370.
It is an arithmetic number, because the mean of its divisors is an integer number (8166528).
Almost surely, 254242005 is an apocalyptic number.
It is an amenable number.
54242005 is a deficient number, since it is larger than the sum of its proper divisors (11090219).
54242005 is a wasteful number, since it uses less digits than its factorization.
54242005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40307.
The product of its (nonzero) digits is 1600, while the sum is 22.
The square root of 54242005 is about 7364.9171753659. The cubic root of 54242005 is about 378.5401165172.
The spelling of 54242005 in words is "fifty-four million, two hundred forty-two thousand, five".
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