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38087 = 75441
BaseRepresentation
bin1001010011000111
31221020122
421103013
52204322
6452155
7216020
oct112307
957218
1038087
1126685
121a05b
131444a
14dc47
15b442
hex94c7

38087 has 4 divisors (see below), whose sum is σ = 43536. Its totient is φ = 32640.

The previous prime is 38083. The next prime is 38113. The reversal of 38087 is 78083.

38087 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 an emirpimes, since its reverse is a distinct semiprime: 78083 = 113691.

It is a cyclic number.

It is not a de Polignac number, because 38087 - 22 = 38083 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38083) 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, 2714 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (10884).

238087 is an apocalyptic number.

38087 is a deficient number, since it is larger than the sum of its proper divisors (5449).

38087 is an equidigital number, since it uses as much as digits as its factorization.

38087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 38087 is about 195.1589096096. The cubic root of 38087 is about 33.6453916931.

The spelling of 38087 in words is "thirty-eight thousand, eighty-seven".

Divisors: 1 7 5441 38087