Base | Representation |
---|---|
bin | 1100111100111… |
… | …0101110101011 |
3 | 10210012221201011 |
4 | 3033032232223 |
5 | 102401333024 |
6 | 5220204351 |
7 | 1226514262 |
oct | 317165653 |
9 | 123187634 |
10 | 54324139 |
11 | 28734591 |
12 | 162396b7 |
13 | b34067c |
14 | 73015d9 |
15 | 4b81094 |
hex | 33cebab |
54324139 has 4 divisors (see below), whose sum is σ = 55649160. Its totient is φ = 52999120.
The previous prime is 54324107. The next prime is 54324143. The reversal of 54324139 is 93142345.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 54324139 - 25 = 54324107 is a prime.
It is a super-2 number, since 2×543241392 = 5902224156182642, which contains 22 as substring.
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 54324139.
It is not an unprimeable number, because it can be changed into a prime (54324169) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662449 + ... + 662530.
It is an arithmetic number, because the mean of its divisors is an integer number (13912290).
Almost surely, 254324139 is an apocalyptic number.
54324139 is a deficient number, since it is larger than the sum of its proper divisors (1325021).
54324139 is a wasteful number, since it uses less digits than its factorization.
54324139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1325020.
The product of its digits is 12960, while the sum is 31.
The square root of 54324139 is about 7370.4910962567. The cubic root of 54324139 is about 378.7310837347.
The spelling of 54324139 in words is "fifty-four million, three hundred twenty-four thousand, one hundred thirty-nine".
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