Base | Representation |
---|---|
bin | 110101110101… |
… | …0111101010011 |
3 | 1222002222220211 |
4 | 1223222331103 |
5 | 24211202423 |
6 | 2444544551 |
7 | 461624455 |
oct | 153527523 |
9 | 58088824 |
10 | 28225363 |
11 | 14a29151 |
12 | 9552157 |
13 | 5b032ca |
14 | 3a6a2d5 |
15 | 272810d |
hex | 1aeaf53 |
28225363 has 8 divisors (see below), whose sum is σ = 28505520. Its totient is φ = 27947040.
The previous prime is 28225349. The next prime is 28225367. The reversal of 28225363 is 36352282.
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 28225363 - 25 = 28225331 is a prime.
It is a super-2 number, since 2×282253632 = 1593342232963538, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28225367) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85108 + ... + 85438.
It is an arithmetic number, because the mean of its divisors is an integer number (3563190).
Almost surely, 228225363 is an apocalyptic number.
28225363 is a deficient number, since it is larger than the sum of its proper divisors (280157).
28225363 is a wasteful number, since it uses less digits than its factorization.
28225363 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 917.
The product of its digits is 17280, while the sum is 31.
The square root of 28225363 is about 5312.7547468333. The cubic root of 28225363 is about 304.4714054844.
The spelling of 28225363 in words is "twenty-eight million, two hundred twenty-five thousand, three hundred sixty-three".
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