Base | Representation |
---|---|
bin | 11011100011011110111110 |
3 | 111120222102001 |
4 | 123203132332 |
5 | 3322120410 |
6 | 414452514 |
7 | 115252660 |
oct | 33433676 |
9 | 14528361 |
10 | 7223230 |
11 | 4093a13 |
12 | 250413a |
13 | 165ba01 |
14 | d60530 |
15 | 97a33a |
hex | 6e37be |
7223230 has 32 divisors (see below), whose sum is σ = 15644160. Its totient is φ = 2345760.
The previous prime is 7223221. The next prime is 7223239. The reversal of 7223230 is 323227.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (7223221) and next prime (7223239).
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 7223198 and 7223207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7223239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386 + ... + 4045.
It is an arithmetic number, because the mean of its divisors is an integer number (488880).
Almost surely, 27223230 is an apocalyptic number.
7223230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
7223230 is an abundant number, since it is smaller than the sum of its proper divisors (8420930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7223230 is a wasteful number, since it uses less digits than its factorization.
7223230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5464.
The product of its (nonzero) digits is 504, while the sum is 19.
The square root of 7223230 is about 2687.6067420663. The cubic root of 7223230 is about 193.3053235945.
Adding to 7223230 its reverse (323227), we get a palindrome (7546457).
The spelling of 7223230 in words is "seven million, two hundred twenty-three thousand, two hundred thirty".
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