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7138196 = 2213137273
BaseRepresentation
bin11011001110101110010100
3111102122202122
4123032232110
53311410241
6412555112
7114450032
oct33165624
914378678
107138196
11403603a
122482a98
13162c0b0
14d3b552
1596004b
hex6ceb94

7138196 has 12 divisors (see below), whose sum is σ = 13452852. Its totient is φ = 3294528.

The previous prime is 7138193. The next prime is 7138207. The reversal of 7138196 is 6918317.

It can be written as a sum of positive squares in 2 ways, for example, as 4145296 + 2992900 = 2036^2 + 1730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138193) 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, 68585 + ... + 68688.

It is an arithmetic number, because the mean of its divisors is an integer number (1121071).

Almost surely, 27138196 is an apocalyptic number.

It is an amenable number.

7138196 is a deficient number, since it is larger than the sum of its proper divisors (6314656).

7138196 is a wasteful number, since it uses less digits than its factorization.

7138196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137290 (or 137288 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 7138196 is about 2671.7402568364. The cubic root of 7138196 is about 192.5437782031.

The spelling of 7138196 in words is "seven million, one hundred thirty-eight thousand, one hundred ninety-six".

Divisors: 1 2 4 13 26 52 137273 274546 549092 1784549 3569098 7138196