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7042211 = 111374673
BaseRepresentation
bin11010110111010010100011
3111020210002122
4122313102203
53300322321
6410534455
7113600141
oct32672243
914223078
107042211
113a7aa10
12243742b
1315c74b7
14d14591
159418ab
hex6b74a3

7042211 has 8 divisors (see below), whose sum is σ = 7740144. Its totient is φ = 6353920.

The previous prime is 7042207. The next prime is 7042219. The reversal of 7042211 is 1122407.

7042211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7042211 - 22 = 7042207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7042211.

It is not an unprimeable number, because it can be changed into a prime (7042219) 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 7 ways as a sum of consecutive naturals, for example, 830 + ... + 3843.

It is an arithmetic number, because the mean of its divisors is an integer number (967518).

Almost surely, 27042211 is an apocalyptic number.

7042211 is a deficient number, since it is larger than the sum of its proper divisors (697933).

7042211 is a wasteful number, since it uses less digits than its factorization.

7042211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7042211 is about 2653.7164505651. The cubic root of 7042211 is about 191.6768562531.

Adding to 7042211 its reverse (1122407), we get a palindrome (8164618).

The spelling of 7042211 in words is "seven million, forty-two thousand, two hundred eleven".

Divisors: 1 11 137 1507 4673 51403 640201 7042211