Base | Representation |
---|---|
bin | 110101011101… |
… | …0100110110011 |
3 | 1221201221020201 |
4 | 1222322212303 |
5 | 24133333230 |
6 | 2440420031 |
7 | 460141201 |
oct | 152724663 |
9 | 57657221 |
10 | 28027315 |
11 | 14903378 |
12 | 9477617 |
13 | 5a64114 |
14 | 3a18071 |
15 | 26d95ca |
hex | 1aba9b3 |
28027315 has 8 divisors (see below), whose sum is σ = 34542000. Its totient is φ = 21815712.
The previous prime is 28027297. The next prime is 28027327. The reversal of 28027315 is 51372082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28027315 - 27 = 28027187 is a prime.
It is a super-2 number, since 2×280273152 = 1571060772218450, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75565 + ... + 75934.
It is an arithmetic number, because the mean of its divisors is an integer number (4317750).
Almost surely, 228027315 is an apocalyptic number.
28027315 is a deficient number, since it is larger than the sum of its proper divisors (6514685).
28027315 is a wasteful number, since it uses less digits than its factorization.
28027315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151541.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 28027315 is about 5294.0830178606. The cubic root of 28027315 is about 303.7576084621.
Adding to 28027315 its reverse (51372082), we get a palindrome (79399397).
The spelling of 28027315 in words is "twenty-eight million, twenty-seven thousand, three hundred fifteen".
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