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328087 = 794153
BaseRepresentation
bin1010000000110010111
3121200001101
41100012113
540444322
611010531
72534344
oct1200627
9550041
10328087
11204551
12139a47
13b6446
14877cb
1567327
hex50197

328087 has 4 divisors (see below), whose sum is σ = 332320. Its totient is φ = 323856.

The previous prime is 328067. The next prime is 328093. The reversal of 328087 is 780823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328087 - 215 = 295319 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328007) 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, 1998 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (83080).

2328087 is an apocalyptic number.

328087 is a deficient number, since it is larger than the sum of its proper divisors (4233).

328087 is an equidigital number, since it uses as much as digits as its factorization.

328087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 328087 is about 572.7887917898. The cubic root of 328087 is about 68.9704417259.

The spelling of 328087 in words is "three hundred twenty-eight thousand, eighty-seven".

Divisors: 1 79 4153 328087