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7231141 is a prime number
BaseRepresentation
bin11011100101011010100101
3111121101021001
4123211122211
53322344031
6414553301
7115315021
oct33453245
914541231
107231141
114099955
122508831
1316624a8
14d63381
1597c861
hex6e56a5

7231141 has 2 divisors, whose sum is σ = 7231142. Its totient is φ = 7231140.

The previous prime is 7231139. The next prime is 7231151. The reversal of 7231141 is 1411327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4186116 + 3045025 = 2046^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 7231141 - 21 = 7231139 is a prime.

Together with 7231139, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7231151) 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 as a sum of consecutive naturals, namely, 3615570 + 3615571.

It is an arithmetic number, because the mean of its divisors is an integer number (3615571).

Almost surely, 27231141 is an apocalyptic number.

It is an amenable number.

7231141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7231141 is an equidigital number, since it uses as much as digits as its factorization.

7231141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 19.

The square root of 7231141 is about 2689.0780948124. The cubic root of 7231141 is about 193.3758682341.

Adding to 7231141 its reverse (1411327), we get a palindrome (8642468).

It can be divided in two parts, 72 and 31141, that added together give a palindrome (31213).

The spelling of 7231141 in words is "seven million, two hundred thirty-one thousand, one hundred forty-one".