Base | Representation |
---|---|
bin | 10000111001000111011111 |
3 | 22022222102110 |
4 | 100321013133 |
5 | 2113201010 |
6 | 234525103 |
7 | 52432236 |
oct | 20710737 |
9 | 8288373 |
10 | 4428255 |
11 | 2555017 |
12 | 1596793 |
13 | bc0790 |
14 | 833b1d |
15 | 5c7120 |
hex | 4391df |
4428255 has 16 divisors (see below), whose sum is σ = 7630560. Its totient is φ = 2179968.
The previous prime is 4428247. The next prime is 4428283. The reversal of 4428255 is 5528244.
It is not a de Polignac number, because 4428255 - 23 = 4428247 is a prime.
It is a super-3 number, since 3×44282553 (a number of 21 digits) contains 333 as substring.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
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, 11160 + ... + 11549.
It is an arithmetic number, because the mean of its divisors is an integer number (476910).
Almost surely, 24428255 is an apocalyptic number.
4428255 is a deficient number, since it is larger than the sum of its proper divisors (3202305).
4428255 is a wasteful number, since it uses less digits than its factorization.
4428255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22730.
The product of its digits is 12800, while the sum is 30.
The square root of 4428255 is about 2104.3419398948. The cubic root of 4428255 is about 164.2142623841.
The spelling of 4428255 in words is "four million, four hundred twenty-eight thousand, two hundred fifty-five".
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