Base | Representation |
---|---|
bin | 110101110100… |
… | …0010001011011 |
3 | 1222002102211102 |
4 | 1223220101123 |
5 | 24210324423 |
6 | 2444422015 |
7 | 461550422 |
oct | 153502133 |
9 | 58072742 |
10 | 28214363 |
11 | 14a20961 |
12 | 954790b |
13 | 5acb2b8 |
14 | 3a662b9 |
15 | 2724c28 |
hex | 1ae845b |
28214363 has 4 divisors (see below), whose sum is σ = 28225680. Its totient is φ = 28203048.
The previous prime is 28214357. The next prime is 28214369. The reversal of 28214363 is 36341282.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36341282 = 2 ⋅18170641.
It is an interprime number because it is at equal distance from previous prime (28214357) and next prime (28214369).
It is a cyclic number.
It is not a de Polignac number, because 28214363 - 26 = 28214299 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28214369) by changing a digit.
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 in 3 ways as a sum of consecutive naturals, for example, 95 + ... + 7512.
It is an arithmetic number, because the mean of its divisors is an integer number (7056420).
Almost surely, 228214363 is an apocalyptic number.
28214363 is a deficient number, since it is larger than the sum of its proper divisors (11317).
28214363 is an equidigital number, since it uses as much as digits as its factorization.
28214363 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11316.
The product of its digits is 6912, while the sum is 29.
The square root of 28214363 is about 5311.7194014744. The cubic root of 28214363 is about 304.4318474383.
The spelling of 28214363 in words is "twenty-eight million, two hundred fourteen thousand, three hundred sixty-three".
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