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38065 = 523331
BaseRepresentation
bin1001010010110001
31221012211
421102301
52204230
6452121
7215656
oct112261
957184
1038065
1126665
121a041
1314431
14dc2d
15b42a
hex94b1

38065 has 8 divisors (see below), whose sum is σ = 47808. Its totient is φ = 29040.

The previous prime is 38053. The next prime is 38069. The reversal of 38065 is 56083.

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

It is not a de Polignac number, because 38065 - 211 = 36017 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51 + ... + 280.

It is an arithmetic number, because the mean of its divisors is an integer number (5976).

238065 is an apocalyptic number.

It is an amenable number.

38065 is a deficient number, since it is larger than the sum of its proper divisors (9743).

38065 is a wasteful number, since it uses less digits than its factorization.

38065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 38065 is about 195.1025371439. The cubic root of 38065 is about 33.6389123066.

The spelling of 38065 in words is "thirty-eight thousand, sixty-five".

Divisors: 1 5 23 115 331 1655 7613 38065