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5438387 = 7176597
BaseRepresentation
bin10100101111101110110011
3101020022001202
4110233232303
52343012022
6312321415
764140233
oct24575663
911208052
105438387
113084a39
1219a326b
1311854a6
14a17cc3
15726592
hex52fbb3

5438387 has 4 divisors (see below), whose sum is σ = 5515056. Its totient is φ = 5361720.

The previous prime is 5438369. The next prime is 5438401. The reversal of 5438387 is 7838345.

It is a happy number.

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 5438387 - 28 = 5438131 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5438387.

It is not an unprimeable number, because it can be changed into a prime (5438347) 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, 38228 + ... + 38369.

It is an arithmetic number, because the mean of its divisors is an integer number (1378764).

Almost surely, 25438387 is an apocalyptic number.

5438387 is a deficient number, since it is larger than the sum of its proper divisors (76669).

5438387 is an equidigital number, since it uses as much as digits as its factorization.

5438387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76668.

The product of its digits is 80640, while the sum is 38.

The square root of 5438387 is about 2332.0349482801. The cubic root of 5438387 is about 175.8558026037.

The spelling of 5438387 in words is "five million, four hundred thirty-eight thousand, three hundred eighty-seven".

Divisors: 1 71 76597 5438387