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5438389 = 111926021
BaseRepresentation
bin10100101111101110110101
3101020022001211
4110233232311
52343012024
6312321421
764140235
oct24575665
911208054
105438389
113084a40
1219a3271
1311854a8
14a17cc5
15726594
hex52fbb5

5438389 has 8 divisors (see below), whose sum is σ = 6245280. Its totient is φ = 4683600.

The previous prime is 5438369. The next prime is 5438401. The reversal of 5438389 is 9838345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5438389 - 25 = 5438357 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12802 + ... + 13219.

It is an arithmetic number, because the mean of its divisors is an integer number (780660).

Almost surely, 25438389 is an apocalyptic number.

It is an amenable number.

5438389 is a deficient number, since it is larger than the sum of its proper divisors (806891).

5438389 is a wasteful number, since it uses less digits than its factorization.

5438389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26051.

The product of its digits is 103680, while the sum is 40.

The square root of 5438389 is about 2332.0353770902. The cubic root of 5438389 is about 175.8558241610.

The spelling of 5438389 in words is "five million, four hundred thirty-eight thousand, three hundred eighty-nine".

Divisors: 1 11 19 209 26021 286231 494399 5438389