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7822361 is a prime number
BaseRepresentation
bin11101110101110000011001
3112201102021002
4131311300121
54000303421
6435354345
7123326501
oct35656031
915642232
107822361
114463068
1227529b5
13180b621
141078a01
15a47b0b
hex775c19

7822361 has 2 divisors, whose sum is σ = 7822362. Its totient is φ = 7822360.

The previous prime is 7822337. The next prime is 7822379. The reversal of 7822361 is 1632287.

It is a happy number.

7822361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5664400 + 2157961 = 2380^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 7822361 - 222 = 3628057 is a prime.

It is a super-2 number, since 2×78223612 = 122378663228642, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7822391) 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, 3911180 + 3911181.

It is an arithmetic number, because the mean of its divisors is an integer number (3911181).

Almost surely, 27822361 is an apocalyptic number.

It is an amenable number.

7822361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7822361 is an equidigital number, since it uses as much as digits as its factorization.

7822361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 7822361 is about 2796.8484049015. The cubic root of 7822361 is about 198.5085809918.

The spelling of 7822361 in words is "seven million, eight hundred twenty-two thousand, three hundred sixty-one".