Search a number
-
+
328460871 = 3109486957
BaseRepresentation
bin10011100100111…
…110101001000111
3211220001112121110
4103210332221013
51133041221441
652332020103
711065604604
oct2344765107
9756045543
10328460871
11159453572
1292001633
135308435b
14318a16ab
151dc81b16
hex1393ea47

328460871 has 4 divisors (see below), whose sum is σ = 437947832. Its totient is φ = 218973912.

The previous prime is 328460827. The next prime is 328460879. The reversal of 328460871 is 178064823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178064823 = 359354941.

It is not a de Polignac number, because 328460871 - 213 = 328452679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328460879) 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, 54743476 + ... + 54743481.

It is an arithmetic number, because the mean of its divisors is an integer number (109486958).

Almost surely, 2328460871 is an apocalyptic number.

328460871 is a deficient number, since it is larger than the sum of its proper divisors (109486961).

328460871 is a wasteful number, since it uses less digits than its factorization.

328460871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109486960.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 328460871 is about 18123.4894818851. The cubic root of 328460871 is about 689.9663016519.

The spelling of 328460871 in words is "three hundred twenty-eight million, four hundred sixty thousand, eight hundred seventy-one".

Divisors: 1 3 109486957 328460871