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5387439 = 31795813
BaseRepresentation
bin10100100011010010101111
3101010201011210
4110203102233
52334344224
6311245503
763535551
oct24432257
911121153
105387439
11304a732
121979893
131168245
14a034d1
15716429
hex5234af

5387439 has 4 divisors (see below), whose sum is σ = 7183256. Its totient is φ = 3591624.

The previous prime is 5387429. The next prime is 5387443. The reversal of 5387439 is 9347835.

5387439 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5387439 - 213 = 5379247 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5387397 and 5387406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897904 + ... + 897909.

It is an arithmetic number, because the mean of its divisors is an integer number (1795814).

Almost surely, 25387439 is an apocalyptic number.

5387439 is a deficient number, since it is larger than the sum of its proper divisors (1795817).

5387439 is a wasteful number, since it uses less digits than its factorization.

5387439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795816.

The product of its digits is 90720, while the sum is 39.

The square root of 5387439 is about 2321.0857373221. The cubic root of 5387439 is about 175.3049268782.

The spelling of 5387439 in words is "five million, three hundred eighty-seven thousand, four hundred thirty-nine".

Divisors: 1 3 1795813 5387439