Base | Representation |
---|---|
bin | 1000011110000011011111 |
3 | 11011210121200 |
4 | 20132003133 |
5 | 1032022010 |
6 | 115330543 |
7 | 24605022 |
oct | 10360337 |
9 | 4153550 |
10 | 2220255 |
11 | 1287124 |
12 | 8b0a53 |
13 | 5c977b |
14 | 41b1b9 |
15 | 2dccc0 |
hex | 21e0df |
2220255 has 12 divisors (see below), whose sum is σ = 3848520. Its totient is φ = 1184112.
The previous prime is 2220209. The next prime is 2220263. The reversal of 2220255 is 5520222.
It is not a de Polignac number, because 2220255 - 28 = 2219999 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24625 + ... + 24714.
It is an arithmetic number, because the mean of its divisors is an integer number (320710).
22220255 is an apocalyptic number.
2220255 is a deficient number, since it is larger than the sum of its proper divisors (1628265).
2220255 is a wasteful number, since it uses less digits than its factorization.
2220255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49350 (or 49347 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 2220255 is about 1490.0520125150. The cubic root of 2220255 is about 130.4570695975.
Adding to 2220255 its reverse (5520222), we get a palindrome (7740477).
The spelling of 2220255 in words is "two million, two hundred twenty thousand, two hundred fifty-five".
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