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316871394 = 2377544557
BaseRepresentation
bin10010111000110…
…001001011100010
3211002020201211120
4102320301023202
51122104341034
651235353110
710565235210
oct2270611342
9732221746
10316871394
11152958194
128a152796
1350857188
1430125cb0
151cc42c49
hex12e312e2

316871394 has 16 divisors (see below), whose sum is σ = 724277568. Its totient is φ = 90534672.

The previous prime is 316871383. The next prime is 316871407. The reversal of 316871394 is 493178613.

316871394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 7544557 = 316871394 / (3 + 1 + 6 + 8 + 7 + 1 + 3 + 9 + 4).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3772237 + ... + 3772320.

It is an arithmetic number, because the mean of its divisors is an integer number (45267348).

Almost surely, 2316871394 is an apocalyptic number.

316871394 is an abundant number, since it is smaller than the sum of its proper divisors (407406174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316871394 is a wasteful number, since it uses less digits than its factorization.

316871394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544569.

The product of its digits is 108864, while the sum is 42.

The square root of 316871394 is about 17800.8818320891. The cubic root of 316871394 is about 681.7539739747.

The spelling of 316871394 in words is "three hundred sixteen million, eight hundred seventy-one thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 7544557 15089114 22633671 45267342 52811899 105623798 158435697 316871394