Base | Representation |
---|---|
bin | 10010111000110… |
… | …001001011011011 |
3 | 211002020201211022 |
4 | 102320301023123 |
5 | 1122104341022 |
6 | 51235353055 |
7 | 10565235200 |
oct | 2270611333 |
9 | 732221738 |
10 | 316871387 |
11 | 152958188 |
12 | 8a15278b |
13 | 50857181 |
14 | 30125ca7 |
15 | 1cc42c42 |
hex | 12e312db |
316871387 has 12 divisors (see below), whose sum is σ = 369038520. Its totient is φ = 271285056.
The previous prime is 316871383. The next prime is 316871407. The reversal of 316871387 is 783178613.
It is not a de Polignac number, because 316871387 - 22 = 316871383 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (316871383) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44564 + ... + 51182.
It is an arithmetic number, because the mean of its divisors is an integer number (30753210).
Almost surely, 2316871387 is an apocalyptic number.
316871387 is a deficient number, since it is larger than the sum of its proper divisors (52167133).
316871387 is an equidigital number, since it uses as much as digits as its factorization.
316871387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7610 (or 7603 counting only the distinct ones).
The product of its digits is 169344, while the sum is 44.
The square root of 316871387 is about 17800.8816354696. The cubic root of 316871387 is about 681.7539689544.
The spelling of 316871387 in words is "three hundred sixteen million, eight hundred seventy-one thousand, three hundred eighty-seven".
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