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5253409 = 7750487
BaseRepresentation
bin10100000010100100100001
3100212220022201
4110002210201
52321102114
6304333201
762440030
oct24024441
910786281
105253409
112a68a67
121914201
13111c235
149aa717
156db874
hex502921

5253409 has 4 divisors (see below), whose sum is σ = 6003904. Its totient is φ = 4502916.

The previous prime is 5253397. The next prime is 5253431. The reversal of 5253409 is 9043525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5253409 - 211 = 5251361 is a prime.

It is a super-2 number, since 2×52534092 = 55196612242562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5253449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375237 + ... + 375250.

It is an arithmetic number, because the mean of its divisors is an integer number (1500976).

Almost surely, 25253409 is an apocalyptic number.

It is an amenable number.

5253409 is a deficient number, since it is larger than the sum of its proper divisors (750495).

5253409 is an equidigital number, since it uses as much as digits as its factorization.

5253409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750494.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 5253409 is about 2292.0316315444. The cubic root of 5253409 is about 173.8389424378.

The spelling of 5253409 in words is "five million, two hundred fifty-three thousand, four hundred nine".

Divisors: 1 7 750487 5253409