Base | Representation |
---|---|
bin | 1000011101000100111111 |
3 | 11011121010112 |
4 | 20131010333 |
5 | 1031410010 |
6 | 115300235 |
7 | 24560246 |
oct | 10350477 |
9 | 4147115 |
10 | 2216255 |
11 | 1284118 |
12 | 8aa67b |
13 | 5c79c2 |
14 | 41995d |
15 | 2dba05 |
hex | 21d13f |
2216255 has 16 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 1635840.
The previous prime is 2216237. The next prime is 2216281. The reversal of 2216255 is 5526122.
It is not a de Polignac number, because 2216255 - 28 = 2215999 is a prime.
It is a d-powerful number, because it can be written as 24 + 27 + 1 + 63 + 218 + 54 + 59 .
It is a self number, because there is not a number n which added to its sum of digits gives 2216255.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3611 + ... + 4179.
It is an arithmetic number, because the mean of its divisors is an integer number (179550).
22216255 is an apocalyptic number.
2216255 is a deficient number, since it is larger than the sum of its proper divisors (656545).
2216255 is a wasteful number, since it uses less digits than its factorization.
2216255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 634.
The product of its digits is 1200, while the sum is 23.
The square root of 2216255 is about 1488.7091724041. The cubic root of 2216255 is about 130.3786789071.
The spelling of 2216255 in words is "two million, two hundred sixteen thousand, two hundred fifty-five".
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