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328727 = 7151311
BaseRepresentation
bin1010000010000010111
3121200221002
41100100113
541004402
611013515
72536250
oct1202027
9550832
10328727
11204a83
1213a29b
13b6819
1487b27
1567602
hex50417

328727 has 8 divisors (see below), whose sum is σ = 379392. Its totient is φ = 279000.

The previous prime is 328721. The next prime is 328753. The reversal of 328727 is 727823.

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

It is a cyclic number.

It is not a de Polignac number, because 328727 - 214 = 312343 is a prime.

It is a super-2 number, since 2×3287272 = 216122881058, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 32 + 210 + 7 + 86 + 216 + 7 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328727.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 328727.

It is not an unprimeable number, because it can be changed into a prime (328721) 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, 902 + ... + 1212.

It is an arithmetic number, because the mean of its divisors is an integer number (47424).

2328727 is an apocalyptic number.

328727 is a deficient number, since it is larger than the sum of its proper divisors (50665).

328727 is a wasteful number, since it uses less digits than its factorization.

328727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its digits is 4704, while the sum is 29.

The square root of 328727 is about 573.3471897550. The cubic root of 328727 is about 69.0152595250.

The spelling of 328727 in words is "three hundred twenty-eight thousand, seven hundred twenty-seven".

Divisors: 1 7 151 311 1057 2177 46961 328727