Base | Representation |
---|---|
bin | 100111011010010010101 |
3 | 2102121111010 |
4 | 10323102111 |
5 | 312311123 |
6 | 43402433 |
7 | 13656024 |
oct | 4732225 |
9 | 2377433 |
10 | 1291413 |
11 | 802292 |
12 | 523419 |
13 | 362a66 |
14 | 2588bb |
15 | 1a7993 |
hex | 13b495 |
1291413 has 8 divisors (see below), whose sum is σ = 1744000. Its totient is φ = 849888.
The previous prime is 1291391. The next prime is 1291421. The reversal of 1291413 is 3141921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1291413 - 26 = 1291349 is a prime.
It is a Duffinian number.
It is a plaindrome in base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 1291413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1291453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488 + ... + 2961.
It is an arithmetic number, because the mean of its divisors is an integer number (218000).
21291413 is an apocalyptic number.
It is an amenable number.
1291413 is a deficient number, since it is larger than the sum of its proper divisors (452587).
1291413 is an equidigital number, since it uses as much as digits as its factorization.
1291413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5531.
The product of its digits is 216, while the sum is 21.
The square root of 1291413 is about 1136.4035374813. The cubic root of 1291413 is about 108.8984549342.
The spelling of 1291413 in words is "one million, two hundred ninety-one thousand, four hundred thirteen".
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