Base | Representation |
---|---|
bin | 1101000000110… |
… | …0101111110001 |
3 | 10210200212011101 |
4 | 3100030233301 |
5 | 102433000121 |
6 | 5225444401 |
7 | 1231623001 |
oct | 320145761 |
9 | 123625141 |
10 | 54578161 |
11 | 28898420 |
12 | 16340701 |
13 | b3cc191 |
14 | 736a001 |
15 | 4bd1491 |
hex | 340cbf1 |
54578161 has 8 divisors (see below), whose sum is σ = 59720544. Its totient is φ = 49465920.
The previous prime is 54578131. The next prime is 54578171. The reversal of 54578161 is 16187545.
54578161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 54578161 - 25 = 54578129 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 54578161.
It is not an unprimeable number, because it can be changed into a prime (54578101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3655 + ... + 11068.
It is an arithmetic number, because the mean of its divisors is an integer number (7465068).
Almost surely, 254578161 is an apocalyptic number.
It is an amenable number.
54578161 is a deficient number, since it is larger than the sum of its proper divisors (5142383).
54578161 is a wasteful number, since it uses less digits than its factorization.
54578161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15071.
The product of its digits is 33600, while the sum is 37.
The square root of 54578161 is about 7387.7033643752. The cubic root of 54578161 is about 379.3204869169.
The spelling of 54578161 in words is "fifty-four million, five hundred seventy-eight thousand, one hundred sixty-one".
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