Base | Representation |
---|---|
bin | 1100111010001… |
… | …1000000110110 |
3 | 10202212212002021 |
4 | 3032203000312 |
5 | 102330120303 |
6 | 5212303354 |
7 | 1225140241 |
oct | 316430066 |
9 | 122785067 |
10 | 54145078 |
11 | 28621aa9 |
12 | 16171b5a |
13 | b2aa010 |
14 | 7296258 |
15 | 4b47ebd |
hex | 33a3036 |
54145078 has 8 divisors (see below), whose sum is σ = 87465168. Its totient is φ = 24990024.
The previous prime is 54145073. The next prime is 54145111. The reversal of 54145078 is 87054145.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54145073) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041226 + ... + 1041277.
It is an arithmetic number, because the mean of its divisors is an integer number (10933146).
Almost surely, 254145078 is an apocalyptic number.
54145078 is a deficient number, since it is larger than the sum of its proper divisors (33320090).
54145078 is a wasteful number, since it uses less digits than its factorization.
54145078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2082518.
The product of its (nonzero) digits is 22400, while the sum is 34.
The square root of 54145078 is about 7358.3339146848. Note that the first 3 decimals coincide. The cubic root of 54145078 is about 378.3145064064.
The spelling of 54145078 in words is "fifty-four million, one hundred forty-five thousand, seventy-eight".
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