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5130439 = 7277057
BaseRepresentation
bin10011100100100011000111
3100122122122021
4103210203013
52303133224
6301544011
761415356
oct23444307
910578567
105130439
112994636
121875007
1310a8282
1497799d
156b51e4
hex4e48c7

5130439 has 4 divisors (see below), whose sum is σ = 5138224. Its totient is φ = 5122656.

The previous prime is 5130421. The next prime is 5130443. The reversal of 5130439 is 9340315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9340315 = 51868063.

It is a cyclic number.

It is not a de Polignac number, because 5130439 - 211 = 5128391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5130409) 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 in 3 ways as a sum of consecutive naturals, for example, 2802 + ... + 4255.

It is an arithmetic number, because the mean of its divisors is an integer number (1284556).

Almost surely, 25130439 is an apocalyptic number.

5130439 is a deficient number, since it is larger than the sum of its proper divisors (7785).

5130439 is an equidigital number, since it uses as much as digits as its factorization.

5130439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 5130439 is about 2265.0472401255. The cubic root of 5130439 is about 172.4718318495.

The spelling of 5130439 in words is "five million, one hundred thirty thousand, four hundred thirty-nine".

Divisors: 1 727 7057 5130439