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316678887 = 3275026649
BaseRepresentation
bin10010111000000…
…010001011100111
3211001212221202200
4102320002023213
51122032211022
651231305543
710563504030
oct2270021347
9731787680
10316678887
11152836598
128a07b2b3
13507ba675
14300b5a87
151cc05bac
hex12e022e7

316678887 has 12 divisors (see below), whose sum is σ = 522771600. Its totient is φ = 180959328.

The previous prime is 316678807. The next prime is 316678889. The reversal of 316678887 is 788876613.

It is not a de Polignac number, because 316678887 - 27 = 316678759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316678889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2513262 + ... + 2513387.

It is an arithmetic number, because the mean of its divisors is an integer number (43564300).

Almost surely, 2316678887 is an apocalyptic number.

316678887 is a deficient number, since it is larger than the sum of its proper divisors (206092713).

316678887 is a wasteful number, since it uses less digits than its factorization.

316678887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026662 (or 5026659 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 316678887 is about 17795.4737784640. The cubic root of 316678887 is about 681.6158853564.

The spelling of 316678887 in words is "three hundred sixteen million, six hundred seventy-eight thousand, eight hundred eighty-seven".

Divisors: 1 3 7 9 21 63 5026649 15079947 35186543 45239841 105559629 316678887