Base | Representation |
---|---|
bin | 11011001000110111101101 |
3 | 111101102212200 |
4 | 123020313231 |
5 | 3310123341 |
6 | 412252113 |
7 | 114320112 |
oct | 33106755 |
9 | 14342780 |
10 | 7114221 |
11 | 401a024 |
12 | 2471039 |
13 | 16211ca |
14 | d32909 |
15 | 957db6 |
hex | 6c8ded |
7114221 has 24 divisors (see below), whose sum is σ = 10872576. Its totient is φ = 4475520.
The previous prime is 7114213. The next prime is 7114231. The reversal of 7114221 is 1224117.
It is not a de Polignac number, because 7114221 - 23 = 7114213 is a prime.
It is a super-2 number, since 2×71142212 = 101224280873682, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7114194 and 7114203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7114231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11701 + ... + 12293.
It is an arithmetic number, because the mean of its divisors is an integer number (453024).
Almost surely, 27114221 is an apocalyptic number.
It is an amenable number.
7114221 is a deficient number, since it is larger than the sum of its proper divisors (3758355).
7114221 is a wasteful number, since it uses less digits than its factorization.
7114221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 673 (or 670 counting only the distinct ones).
The product of its digits is 112, while the sum is 18.
The square root of 7114221 is about 2667.2497070953. The cubic root of 7114221 is about 192.3279713466.
Adding to 7114221 its reverse (1224117), we get a palindrome (8338338).
The spelling of 7114221 in words is "seven million, one hundred fourteen thousand, two hundred twenty-one".
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