Base | Representation |
---|---|
bin | 11011100100011101011100 |
3 | 111121011220010 |
4 | 123210131130 |
5 | 3322232403 |
6 | 414523220 |
7 | 115300431 |
oct | 33443534 |
9 | 14534803 |
10 | 7227228 |
11 | 4096a18 |
12 | 2506510 |
13 | 1660788 |
14 | d61b88 |
15 | 97b603 |
hex | 6e475c |
7227228 has 12 divisors (see below), whose sum is σ = 16863560. Its totient is φ = 2409072.
The previous prime is 7227211. The next prime is 7227229. The reversal of 7227228 is 8227227.
It is a tau number, because it is divible by the number of its divisors (12).
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 7227195 and 7227204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7227229) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 301123 + ... + 301146.
Almost surely, 27227228 is an apocalyptic number.
It is an amenable number.
7227228 is an abundant number, since it is smaller than the sum of its proper divisors (9636332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7227228 is a wasteful number, since it uses less digits than its factorization.
7227228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 602276 (or 602274 counting only the distinct ones).
The product of its digits is 6272, while the sum is 30.
The square root of 7227228 is about 2688.3504235869. The cubic root of 7227228 is about 193.3409813331.
Subtracting 7227228 from its reverse (8227227), we obtain a palindrome (999999).
The spelling of 7227228 in words is "seven million, two hundred twenty-seven thousand, two hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.113 sec. • engine limits •