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7485469 is a prime number
BaseRepresentation
bin11100100011100000011101
3112002022010121
4130203200131
53404013334
6424234541
7120424345
oct34434035
915068117
107485469
114252a42
12260ba51
131721194
14dcbd25
159ccdb4
hex72381d

7485469 has 2 divisors, whose sum is σ = 7485470. Its totient is φ = 7485468.

The previous prime is 7485461. The next prime is 7485473. The reversal of 7485469 is 9645847.

7485469 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., 7371225 + 114244 = 2715^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 7485469 - 23 = 7485461 is a prime.

It is a super-2 number, since 2×74854692 = 112064492299922, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7485461) 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, 3742734 + 3742735.

It is an arithmetic number, because the mean of its divisors is an integer number (3742735).

Almost surely, 27485469 is an apocalyptic number.

It is an amenable number.

7485469 is a deficient number, since it is larger than the sum of its proper divisors (1).

7485469 is an equidigital number, since it uses as much as digits as its factorization.

7485469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 7485469 is about 2735.9585157674. The cubic root of 7485469 is about 195.6168849026.

The spelling of 7485469 in words is "seven million, four hundred eighty-five thousand, four hundred sixty-nine".