Base | Representation |
---|---|
bin | 101000000110111… |
… | …1011111110001001 |
3 | 10110210102021202221 |
4 | 1100031323332021 |
5 | 10224013041133 |
6 | 341313454041 |
7 | 45231241636 |
oct | 12015737611 |
9 | 3423367687 |
10 | 1345830793 |
11 | 63076065a |
12 | 316871321 |
13 | 185a937a8 |
14 | caa5118d |
15 | 7d244a2d |
hex | 5037bf89 |
1345830793 has 2 divisors, whose sum is σ = 1345830794. Its totient is φ = 1345830792.
The previous prime is 1345830767. The next prime is 1345830797. The reversal of 1345830793 is 3970385431.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1239884944 + 105945849 = 35212^2 + 10293^2 .
It is an emirp because it is prime and its reverse (3970385431) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1345830793 - 29 = 1345830281 is a prime.
It is a super-2 number, since 2×13458307932 = 3622521046774017698, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1345830797) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672915396 + 672915397.
It is an arithmetic number, because the mean of its divisors is an integer number (672915397).
Almost surely, 21345830793 is an apocalyptic number.
It is an amenable number.
1345830793 is a deficient number, since it is larger than the sum of its proper divisors (1).
1345830793 is an equidigital number, since it uses as much as digits as its factorization.
1345830793 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 272160, while the sum is 43.
The square root of 1345830793 is about 36685.5665487123. The cubic root of 1345830793 is about 1104.0705363569.
The spelling of 1345830793 in words is "one billion, three hundred forty-five million, eight hundred thirty thousand, seven hundred ninety-three".
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