Base | Representation |
---|---|
bin | 101000001100000000111 |
3 | 2110220102000 |
4 | 11001200013 |
5 | 314114441 |
6 | 44120343 |
7 | 14123163 |
oct | 5014007 |
9 | 2426360 |
10 | 1316871 |
11 | 81a426 |
12 | 5360b3 |
13 | 37151a |
14 | 263ca3 |
15 | 1b02b6 |
hex | 141807 |
1316871 has 32 divisors (see below), whose sum is σ = 2188800. Its totient is φ = 777600.
The previous prime is 1316869. The next prime is 1316873. The reversal of 1316871 is 1786131.
It is an interprime number because it is at equal distance from previous prime (1316869) and next prime (1316873).
It is not a de Polignac number, because 1316871 - 21 = 1316869 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1316873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8646 + ... + 8796.
It is an arithmetic number, because the mean of its divisors is an integer number (68400).
21316871 is an apocalyptic number.
1316871 is a deficient number, since it is larger than the sum of its proper divisors (871929).
1316871 is a wasteful number, since it uses less digits than its factorization.
1316871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 196 (or 190 counting only the distinct ones).
The product of its digits is 1008, while the sum is 27.
The square root of 1316871 is about 1147.5499989107. The cubic root of 1316871 is about 109.6093859065.
It can be divided in two parts, 1316 and 871, that added together give a 7-th power (2187 = 37).
The spelling of 1316871 in words is "one million, three hundred sixteen thousand, eight hundred seventy-one".
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