Base | Representation |
---|---|
bin | 11011001000010111001110 |
3 | 111101100000200 |
4 | 123020113032 |
5 | 3310042032 |
6 | 412234330 |
7 | 114311052 |
oct | 33102716 |
9 | 14340020 |
10 | 7112142 |
11 | 4018504 |
12 | 246b9a6 |
13 | 162028b |
14 | d31c62 |
15 | 95747c |
hex | 6c85ce |
7112142 has 12 divisors (see below), whose sum is σ = 15409680. Its totient is φ = 2370708.
The previous prime is 7112111. The next prime is 7112153. The reversal of 7112142 is 2412117.
7112142 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 395119 = 7112142 / (7 + 1 + 1 + 2 + 1 + 4 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197542 + ... + 197577.
It is an arithmetic number, because the mean of its divisors is an integer number (1284140).
Almost surely, 27112142 is an apocalyptic number.
7112142 is an abundant number, since it is smaller than the sum of its proper divisors (8297538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7112142 is a wasteful number, since it uses less digits than its factorization.
7112142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395127 (or 395124 counting only the distinct ones).
The product of its digits is 112, while the sum is 18.
The square root of 7112142 is about 2666.8599513285. The cubic root of 7112142 is about 192.3092347528.
Adding to 7112142 its reverse (2412117), we get a palindrome (9524259).
The spelling of 7112142 in words is "seven million, one hundred twelve thousand, one hundred forty-two".
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