Base | Representation |
---|---|
bin | 1100111010111… |
… | …0000101011011 |
3 | 10202222011021212 |
4 | 3032232011123 |
5 | 102333043202 |
6 | 5213253335 |
7 | 1225416404 |
oct | 316560533 |
9 | 122864255 |
10 | 54190427 |
11 | 28653085 |
12 | 1619424b |
13 | b2c4855 |
14 | 72a89ab |
15 | 4b56652 |
hex | 33ae15b |
54190427 has 4 divisors (see below), whose sum is σ = 54549456. Its totient is φ = 53831400.
The previous prime is 54190343. The next prime is 54190429. The reversal of 54190427 is 72409145.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72409145 = 5 ⋅14481829.
It is a cyclic number.
It is not a de Polignac number, because 54190427 - 216 = 54124891 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 54190393 and 54190402.
It is not an unprimeable number, because it can be changed into a prime (54190429) 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, 179288 + ... + 179589.
It is an arithmetic number, because the mean of its divisors is an integer number (13637364).
Almost surely, 254190427 is an apocalyptic number.
54190427 is a deficient number, since it is larger than the sum of its proper divisors (359029).
54190427 is a wasteful number, since it uses less digits than its factorization.
54190427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 359028.
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 54190427 is about 7361.4147417463. The cubic root of 54190427 is about 378.4200955489.
The spelling of 54190427 in words is "fifty-four million, one hundred ninety thousand, four hundred twenty-seven".
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