Base | Representation |
---|---|
bin | 10110001101111110110 |
3 | 1100222200222 |
4 | 2301233312 |
5 | 141244204 |
6 | 23334342 |
7 | 6121415 |
oct | 2615766 |
9 | 1328628 |
10 | 728054 |
11 | 457aa8 |
12 | 2b13b2 |
13 | 1c6502 |
14 | 14d47c |
15 | e5abe |
hex | b1bf6 |
728054 has 4 divisors (see below), whose sum is σ = 1092084. Its totient is φ = 364026.
The previous prime is 728047. The next prime is 728069. The reversal of 728054 is 450827.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450827 = 13 ⋅34679.
It is a zygodrome in base 3.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 182012 + ... + 182015.
It is an arithmetic number, because the mean of its divisors is an integer number (273021).
2728054 is an apocalyptic number.
728054 is a deficient number, since it is larger than the sum of its proper divisors (364030).
728054 is a wasteful number, since it uses less digits than its factorization.
728054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 364029.
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 728054 is about 853.2608042094. The cubic root of 728054 is about 89.9610531073.
The spelling of 728054 in words is "seven hundred twenty-eight thousand, fifty-four".
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