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5240431 = 7748633
BaseRepresentation
bin10011111111011001101111
3100212020112001
4103333121233
52320143211
6304153131
762354140
oct23773157
910766461
105240431
112a5a239
1219087a7
131116361
149a5ac7
156d7ac1
hex4ff66f

5240431 has 4 divisors (see below), whose sum is σ = 5989072. Its totient is φ = 4491792.

The previous prime is 5240423. The next prime is 5240441. The reversal of 5240431 is 1340425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5240431 - 23 = 5240423 is a prime.

It is a super-2 number, since 2×52404312 = 54924234131522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5240399 and 5240408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5240441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374310 + ... + 374323.

It is an arithmetic number, because the mean of its divisors is an integer number (1497268).

Almost surely, 25240431 is an apocalyptic number.

5240431 is a deficient number, since it is larger than the sum of its proper divisors (748641).

5240431 is an equidigital number, since it uses as much as digits as its factorization.

5240431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748640.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5240431 is about 2289.1987681283. The cubic root of 5240431 is about 173.6956740601.

Adding to 5240431 its reverse (1340425), we get a palindrome (6580856).

It can be divided in two parts, 5240 and 431, that added together give a triangular number (5671 = T106).

The spelling of 5240431 in words is "five million, two hundred forty thousand, four hundred thirty-one".

Divisors: 1 7 748633 5240431