Base | Representation |
---|---|
bin | 100110110111001… |
… | …1110111111101110 |
3 | 10100212202122112101 |
4 | 1031232132333232 |
5 | 10132312444324 |
6 | 333221525314 |
7 | 44213040163 |
oct | 11556367756 |
9 | 3325678471 |
10 | 1304031214 |
11 | 60a100a52 |
12 | 30487383a |
13 | 17a219b05 |
14 | c529006a |
15 | 79739944 |
hex | 4db9efee |
1304031214 has 4 divisors (see below), whose sum is σ = 1956046824. Its totient is φ = 652015606.
The previous prime is 1304031181. The next prime is 1304031217. The reversal of 1304031214 is 4121304031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4121304031 = 13 ⋅317023387.
It is a junction number, because it is equal to n+sod(n) for n = 1304031191 and 1304031200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1304031217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326007802 + ... + 326007805.
It is an arithmetic number, because the mean of its divisors is an integer number (489011706).
Almost surely, 21304031214 is an apocalyptic number.
1304031214 is a deficient number, since it is larger than the sum of its proper divisors (652015610).
1304031214 is an equidigital number, since it uses as much as digits as its factorization.
1304031214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 652015609.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1304031214 is about 36111.3723638413. The cubic root of 1304031214 is about 1092.5198313754.
Adding to 1304031214 its reverse (4121304031), we get a palindrome (5425335245).
The spelling of 1304031214 in words is "one billion, three hundred four million, thirty-one thousand, two hundred fourteen".
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