Base | Representation |
---|---|
bin | 10001011110001… |
… | …001101001001001 |
3 | 202102112212020021 |
4 | 101132021221021 |
5 | 1100014211424 |
6 | 45030300441 |
7 | 10156310011 |
oct | 2136115111 |
9 | 672485207 |
10 | 293116489 |
11 | 140502836 |
12 | 821b7721 |
13 | 4895a913 |
14 | 2ad00c41 |
15 | 1aaee4e4 |
hex | 11789a49 |
293116489 has 4 divisors (see below), whose sum is σ = 293265556. Its totient is φ = 292967424.
The previous prime is 293116469. The next prime is 293116507. The reversal of 293116489 is 984611392.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 115347600 + 177768889 = 10740^2 + 13333^2 .
It is a cyclic number.
It is not a de Polignac number, because 293116489 - 27 = 293116361 is a prime.
It is a super-2 number, since 2×2931164892 = 171834552247374242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (293116429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71544 + ... + 75529.
It is an arithmetic number, because the mean of its divisors is an integer number (73316389).
Almost surely, 2293116489 is an apocalyptic number.
It is an amenable number.
293116489 is a deficient number, since it is larger than the sum of its proper divisors (149067).
293116489 is a wasteful number, since it uses less digits than its factorization.
293116489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149066.
The product of its digits is 93312, while the sum is 43.
The square root of 293116489 is about 17120.6451105091. The cubic root of 293116489 is about 664.2732286594.
The spelling of 293116489 in words is "two hundred ninety-three million, one hundred sixteen thousand, four hundred eighty-nine".
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