Base | Representation |
---|---|
bin | 110101111001… |
… | …1111111100111 |
3 | 1222011212200122 |
4 | 1223303333213 |
5 | 24213344000 |
6 | 2445432155 |
7 | 462140411 |
oct | 153637747 |
9 | 58155618 |
10 | 28262375 |
11 | 14a53a39 |
12 | 956b65b |
13 | 5b170cb |
14 | 3a799b1 |
15 | 2734085 |
hex | 1af3fe7 |
28262375 has 8 divisors (see below), whose sum is σ = 35271600. Its totient is φ = 22609800.
The previous prime is 28262371. The next prime is 28262401. The reversal of 28262375 is 57326282.
It is not a de Polignac number, because 28262375 - 22 = 28262371 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28262371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112925 + ... + 113174.
It is an arithmetic number, because the mean of its divisors is an integer number (4408950).
Almost surely, 228262375 is an apocalyptic number.
28262375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28262375 is a deficient number, since it is larger than the sum of its proper divisors (7009225).
28262375 is an equidigital number, since it uses as much as digits as its factorization.
28262375 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226114 (or 226104 counting only the distinct ones).
The product of its digits is 40320, while the sum is 35.
The square root of 28262375 is about 5316.2369209809. The cubic root of 28262375 is about 304.6044320997.
The spelling of 28262375 in words is "twenty-eight million, two hundred sixty-two thousand, three hundred seventy-five".
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