Search a number
-
+
7906069 is a prime number
BaseRepresentation
bin11110001010001100010101
3112212200002101
4132022030111
54010443234
6441242101
7124125523
oct36121425
915780071
107906069
11450aa46
122793331
13183a762
14109b313
15a62814
hex78a315

7906069 has 2 divisors, whose sum is σ = 7906070. Its totient is φ = 7906068.

The previous prime is 7906051. The next prime is 7906081. The reversal of 7906069 is 9606097.

7906069 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., 5616900 + 2289169 = 2370^2 + 1513^2 .

It is a cyclic number.

It is not a de Polignac number, because 7906069 - 215 = 7873301 is a prime.

It is a super-2 number, since 2×79060692 = 125011854065522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7906039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3953034 + 3953035.

It is an arithmetic number, because the mean of its divisors is an integer number (3953035).

Almost surely, 27906069 is an apocalyptic number.

It is an amenable number.

7906069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7906069 is an equidigital number, since it uses as much as digits as its factorization.

7906069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 7906069 is about 2811.7732838904. The cubic root of 7906069 is about 199.2141579723.

It can be divided in two parts, 790 and 6069, that added together give a cube (6859 = 193).

The spelling of 7906069 in words is "seven million, nine hundred six thousand, sixty-nine".