Base | Representation |
---|---|
bin | 10001011111100… |
… | …101011010100101 |
3 | 202110020221212111 |
4 | 101133211122211 |
5 | 1100113224024 |
6 | 45042321021 |
7 | 10162433641 |
oct | 2137453245 |
9 | 673227774 |
10 | 293492389 |
11 | 14073a1a3 |
12 | 82359171 |
13 | 48a5ca48 |
14 | 2ad9bc21 |
15 | 1ab75a94 |
hex | 117e56a5 |
293492389 has 2 divisors, whose sum is σ = 293492390. Its totient is φ = 293492388.
The previous prime is 293492387. The next prime is 293492561. The reversal of 293492389 is 983294392.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 149084100 + 144408289 = 12210^2 + 12017^2 .
It is a cyclic number.
It is not a de Polignac number, because 293492389 - 21 = 293492387 is a prime.
It is a super-2 number, since 2×2934923892 = 172275564801854642, which contains 22 as substring.
Together with 293492387, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (293492387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146746194 + 146746195.
It is an arithmetic number, because the mean of its divisors is an integer number (146746195).
Almost surely, 2293492389 is an apocalyptic number.
It is an amenable number.
293492389 is a deficient number, since it is larger than the sum of its proper divisors (1).
293492389 is an equidigital number, since it uses as much as digits as its factorization.
293492389 is an evil number, because the sum of its binary digits is even.
The product of its digits is 839808, while the sum is 49.
The square root of 293492389 is about 17131.6195673381. The cubic root of 293492389 is about 664.5570676237.
The spelling of 293492389 in words is "two hundred ninety-three million, four hundred ninety-two thousand, three hundred eighty-nine".
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