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38439 = 324271
BaseRepresentation
bin1001011000100111
31221201200
421120213
52212224
6453543
7220032
oct113047
957650
1038439
1126975
121a2b3
131465b
1410019
15b5c9
hex9627

38439 has 6 divisors (see below), whose sum is σ = 55536. Its totient is φ = 25620.

The previous prime is 38431. The next prime is 38447. The reversal of 38439 is 93483.

38439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38431) and next prime (38447).

It is not a de Polignac number, because 38439 - 23 = 38431 is a prime.

38439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2127 + ... + 2144.

It is an arithmetic number, because the mean of its divisors is an integer number (9256).

238439 is an apocalyptic number.

38439 is a deficient number, since it is larger than the sum of its proper divisors (17097).

38439 is a wasteful number, since it uses less digits than its factorization.

38439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277 (or 4274 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 38439 is about 196.0586646899. The cubic root of 38439 is about 33.7487242316.

The spelling of 38439 in words is "thirty-eight thousand, four hundred thirty-nine".

Divisors: 1 3 9 4271 12813 38439