Base | Representation |
---|---|
bin | 10100011011100… |
… | …111011111110101 |
3 | 212220000020020022 |
4 | 110123213133311 |
5 | 1200223041424 |
6 | 54003014525 |
7 | 11331421142 |
oct | 2433473765 |
9 | 786006208 |
10 | 342783989 |
11 | 166546759 |
12 | 9696a445 |
13 | 5602a882 |
14 | 3374d3c9 |
15 | 2016095e |
hex | 146e77f5 |
342783989 has 2 divisors, whose sum is σ = 342783990. Its totient is φ = 342783988.
The previous prime is 342783979. The next prime is 342784007. The reversal of 342783989 is 989387243.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 334707025 + 8076964 = 18295^2 + 2842^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-342783989 is a prime.
It is a super-2 number, since 2×3427839892 = 235001726229504242, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 342783989.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (342783919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171391994 + 171391995.
It is an arithmetic number, because the mean of its divisors is an integer number (171391995).
Almost surely, 2342783989 is an apocalyptic number.
It is an amenable number.
342783989 is a deficient number, since it is larger than the sum of its proper divisors (1).
342783989 is an equidigital number, since it uses as much as digits as its factorization.
342783989 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2612736, while the sum is 53.
The square root of 342783989 is about 18514.4265101569. The cubic root of 342783989 is about 699.8530228833.
The spelling of 342783989 in words is "three hundred forty-two million, seven hundred eighty-three thousand, nine hundred eighty-nine".
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