Base | Representation |
---|---|
bin | 110110011000… |
… | …1100000111101 |
3 | 1222122200100121 |
4 | 1230301200331 |
5 | 24244424430 |
6 | 2455054541 |
7 | 464240155 |
oct | 154614075 |
9 | 58580317 |
10 | 28514365 |
11 | 151062a0 |
12 | 9671451 |
13 | 5ba4a09 |
14 | 3b03765 |
15 | 2783a7a |
hex | 1b3183d |
28514365 has 16 divisors (see below), whose sum is σ = 38952576. Its totient is φ = 19835200.
The previous prime is 28514363. The next prime is 28514413. The reversal of 28514365 is 56341582.
It is not a de Polignac number, because 28514365 - 21 = 28514363 is a prime.
It is a super-2 number, since 2×285143652 = 1626138022706450, 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 28514365.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28514363) 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 15 ways as a sum of consecutive naturals, for example, 10006 + ... + 12535.
It is an arithmetic number, because the mean of its divisors is an integer number (2434536).
Almost surely, 228514365 is an apocalyptic number.
It is an amenable number.
28514365 is a deficient number, since it is larger than the sum of its proper divisors (10438211).
28514365 is a wasteful number, since it uses less digits than its factorization.
28514365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22580.
The product of its digits is 28800, while the sum is 34.
The square root of 28514365 is about 5339.8843620438. The cubic root of 28514365 is about 305.5070487309.
The spelling of 28514365 in words is "twenty-eight million, five hundred fourteen thousand, three hundred sixty-five".
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