Base | Representation |
---|---|
bin | 1000011110110000011010 |
3 | 11011221120011 |
4 | 20132300122 |
5 | 1032120010 |
6 | 115352134 |
7 | 24616300 |
oct | 10366032 |
9 | 4157504 |
10 | 2223130 |
11 | 12892a8 |
12 | 8b264a |
13 | 5cab80 |
14 | 41c270 |
15 | 2dda8a |
hex | 21ec1a |
2223130 has 48 divisors (see below), whose sum is σ = 5027400. Its totient is φ = 701568.
The previous prime is 2223119. The next prime is 2223149. The reversal of 2223130 is 313222.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1640961 + 582169 = 1281^2 + 763^2 .
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a self number, because there is not a number n which added to its sum of digits gives 2223130.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6196 + ... + 6544.
22223130 is an apocalyptic number.
2223130 is an abundant number, since it is smaller than the sum of its proper divisors (2804270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2223130 is a wasteful number, since it uses less digits than its factorization.
2223130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 383 (or 376 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 2223130 is about 1491.0164318343. The cubic root of 2223130 is about 130.5133547692.
Adding to 2223130 its reverse (313222), we get a palindrome (2536352).
The spelling of 2223130 in words is "two million, two hundred twenty-three thousand, one hundred thirty".
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