Base | Representation |
---|---|
bin | 10001011101010… |
… | …110101111101101 |
3 | 202102011021020221 |
4 | 101131112233231 |
5 | 1044441024023 |
6 | 45022011341 |
7 | 10154451136 |
oct | 2135265755 |
9 | 672137227 |
10 | 292908013 |
11 | 140380142 |
12 | 82116b51 |
13 | 488b6a68 |
14 | 2ac88c8d |
15 | 1aaac85d |
hex | 11756bed |
292908013 has 4 divisors (see below), whose sum is σ = 305643168. Its totient is φ = 280172860.
The previous prime is 292907999. The next prime is 292908017. The reversal of 292908013 is 310809292.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-292908013 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 292908013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (292908017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6367543 + ... + 6367588.
It is an arithmetic number, because the mean of its divisors is an integer number (76410792).
Almost surely, 2292908013 is an apocalyptic number.
292908013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
292908013 is a deficient number, since it is larger than the sum of its proper divisors (12735155).
292908013 is a wasteful number, since it uses less digits than its factorization.
292908013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12735154.
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 292908013 is about 17114.5555887379. Note that the first 4 decimals coincide. The cubic root of 292908013 is about 664.1157055405.
The spelling of 292908013 in words is "two hundred ninety-two million, nine hundred eight thousand, thirteen".
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