Base | Representation |
---|---|
bin | 1100111010001… |
… | …0100001100011 |
3 | 10202212202100002 |
4 | 3032202201203 |
5 | 102330034300 |
6 | 5212250215 |
7 | 1225131350 |
oct | 316424143 |
9 | 122782302 |
10 | 54143075 |
11 | 28620548 |
12 | 1617096b |
13 | b2a912c |
14 | 7295627 |
15 | 4b475d5 |
hex | 33a2863 |
54143075 has 24 divisors (see below), whose sum is σ = 77009952. Its totient is φ = 36990720.
The previous prime is 54143071. The next prime is 54143077. The reversal of 54143075 is 57034145.
It is not a de Polignac number, because 54143075 - 22 = 54143071 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54143071) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79637 + ... + 80313.
It is an arithmetic number, because the mean of its divisors is an integer number (3208748).
Almost surely, 254143075 is an apocalyptic number.
54143075 is a deficient number, since it is larger than the sum of its proper divisors (22866877).
54143075 is a wasteful number, since it uses less digits than its factorization.
54143075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1151 (or 1146 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 54143075 is about 7358.1978092465. The cubic root of 54143075 is about 378.3098413267.
The spelling of 54143075 in words is "fifty-four million, one hundred forty-three thousand, seventy-five".
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