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7242569 is a prime number
BaseRepresentation
bin11011101000001101001001
3111121221221022
4123220031021
53323230234
6415122225
7115363235
oct33501511
914557838
107242569
1140a74a4
122513375
131667759
14d675c5
15980e2e
hex6e8349

7242569 has 2 divisors, whose sum is σ = 7242570. Its totient is φ = 7242568.

The previous prime is 7242551. The next prime is 7242589. The reversal of 7242569 is 9652427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4644025 + 2598544 = 2155^2 + 1612^2 .

It is a cyclic number.

It is not a de Polignac number, because 7242569 - 216 = 7177033 is a prime.

It is a super-2 number, since 2×72425692 = 104909611439522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7242589) 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, 3621284 + 3621285.

It is an arithmetic number, because the mean of its divisors is an integer number (3621285).

Almost surely, 27242569 is an apocalyptic number.

It is an amenable number.

7242569 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242569 is an equidigital number, since it uses as much as digits as its factorization.

7242569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 7242569 is about 2691.2021477399. The cubic root of 7242569 is about 193.4776841752.

The spelling of 7242569 in words is "seven million, two hundred forty-two thousand, five hundred sixty-nine".