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316887 = 3531993
BaseRepresentation
bin1001101010111010111
3121002200120
41031113113
540120022
610443023
72456604
oct1152727
9532616
10316887
111a709a
12133473
13b130c
14836ab
1563d5c
hex4d5d7

316887 has 8 divisors (see below), whose sum is σ = 430704. Its totient is φ = 207168.

The previous prime is 316879. The next prime is 316891. The reversal of 316887 is 788613.

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

It is not a de Polignac number, because 316887 - 23 = 316879 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 316887.

It is not an unprimeable number, because it can be changed into a prime (316817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838 + ... + 1155.

It is an arithmetic number, because the mean of its divisors is an integer number (53838).

2316887 is an apocalyptic number.

316887 is a deficient number, since it is larger than the sum of its proper divisors (113817).

316887 is a wasteful number, since it uses less digits than its factorization.

316887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049.

The product of its digits is 8064, while the sum is 33.

The square root of 316887 is about 562.9271711332. The cubic root of 316887 is about 68.1765165979.

The spelling of 316887 in words is "three hundred sixteen thousand, eight hundred eighty-seven".

Divisors: 1 3 53 159 1993 5979 105629 316887