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38489 = 113499
BaseRepresentation
bin1001011001011001
31221210112
421121121
52212424
6454105
7220133
oct113131
957715
1038489
1126a10
121a335
1314699
1410053
15b60e
hex9659

38489 has 4 divisors (see below), whose sum is σ = 42000. Its totient is φ = 34980.

The previous prime is 38461. The next prime is 38501. The reversal of 38489 is 98483.

38489 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-38489 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 38489.

It is not an unprimeable number, because it can be changed into a prime (38449) 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, 1739 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (10500).

238489 is an apocalyptic number.

It is an amenable number.

38489 is a deficient number, since it is larger than the sum of its proper divisors (3511).

38489 is a wasteful number, since it uses less digits than its factorization.

38489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510.

The product of its digits is 6912, while the sum is 32.

The square root of 38489 is about 196.1861361055. The cubic root of 38489 is about 33.7633509136.

The spelling of 38489 in words is "thirty-eight thousand, four hundred eighty-nine".

Divisors: 1 11 3499 38489