Base | Representation |
---|---|
bin | 1100111001100… |
… | …1110111111011 |
3 | 10202210221201210 |
4 | 3032121313323 |
5 | 102322421033 |
6 | 5211414203 |
7 | 1224623142 |
oct | 316316773 |
9 | 122727653 |
10 | 54107643 |
11 | 285a6967 |
12 | 16154363 |
13 | b295c75 |
14 | 7286759 |
15 | 4b3bd63 |
hex | 3399dfb |
54107643 has 8 divisors (see below), whose sum is σ = 72306000. Its totient is φ = 35990528.
The previous prime is 54107629. The next prime is 54107663. The reversal of 54107643 is 34670145.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54107643 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 54107643.
It is not an unprimeable number, because it can be changed into a prime (54107663) 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, 18738 + ... + 21431.
It is an arithmetic number, because the mean of its divisors is an integer number (9038250).
Almost surely, 254107643 is an apocalyptic number.
54107643 is a deficient number, since it is larger than the sum of its proper divisors (18198357).
54107643 is a wasteful number, since it uses less digits than its factorization.
54107643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40621.
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 54107643 is about 7355.7897604540. The cubic root of 54107643 is about 378.2272995345.
Adding to 54107643 its reverse (34670145), we get a palindrome (88777788).
The spelling of 54107643 in words is "fifty-four million, one hundred seven thousand, six hundred forty-three".
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